140013536 has 24 divisors (see below), whose sum is σ = 296856504. Its totient is φ = 64621440.

The previous prime is 140013509. The next prime is 140013539. The reversal of 140013536 is 635310041.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140013539) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 167870 + ... + 168701.

It is an arithmetic number, because the mean of its divisors is an integer number (12369021).

Almost surely, 2^140013536 is an apocalyptic number.

140013536 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

140013536 is an abundant number, since it is smaller than the sum of its proper divisors (156842968).

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

140013536 is a wasteful number, since it uses less digits than its factorization.

140013536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 336594 (or 336586 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 140013536 is about 11832.7315527734. The cubic root of 140013536 is about 519.2661443125.

Adding to 140013536 its reverse (635310041), we get a palindrome (775323577).

The spelling of 140013536 in words is "one hundred forty million, thirteen thousand, five hundred thirty-six".