140838132 has 96 divisors (see below), whose sum is σ = 365879808. Its totient is φ = 41969664.

The previous prime is 140838121. The next prime is 140838151. The reversal of 140838132 is 231838041.

It is a super-3 number, since 3×140838132³ (a number of 25 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 140838132.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 354558 + ... + 354954.

It is an arithmetic number, because the mean of its divisors is an integer number (3811248).

Almost surely, 2^140838132 is an apocalyptic number.

140838132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 140838132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (182939904).

140838132 is an abundant number, since it is smaller than the sum of its proper divisors (225041676).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

140838132 is a wasteful number, since it uses less digits than its factorization.

140838132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 505 (or 503 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 30.

The square root of 140838132 is about 11867.5242574010. The cubic root of 140838132 is about 520.2835386616.

Subtracting 140838132 from its reverse (231838041), we obtain a palindrome (90999909).

The spelling of 140838132 in words is "one hundred forty million, eight hundred thirty-eight thousand, one hundred thirty-two".