140541822 has 96 divisors (see below), whose sum is σ = 354481920. Its totient is φ = 39916800.

The previous prime is 140541787. The next prime is 140541823. The reversal of 140541822 is 228145041.

140541822 = 1404² + 1405² + ... + 1471².

140541822 is a `hidden beast` number, since 1 + 40 + 541 + 82 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140541823) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 133197 + ... + 134247.

It is an arithmetic number, because the mean of its divisors is an integer number (3692520).

Almost surely, 2^140541822 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 140541822, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (177240960).

140541822 is an abundant number, since it is smaller than the sum of its proper divisors (213940098).

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

140541822 is a wasteful number, since it uses less digits than its factorization.

140541822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1118 (or 1115 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 27.

The square root of 140541822 is about 11855.0336144610. The cubic root of 140541822 is about 519.9184068231.

Adding to 140541822 its reverse (228145041), we get a palindrome (368686863).

It can be divided in two parts, 14054 and 1822, that added together give a square (15876 = 126²).

The spelling of 140541822 in words is "one hundred forty million, five hundred forty-one thousand, eight hundred twenty-two".