140637696 has 160 divisors (see below), whose sum is σ = 405926400. Its totient is φ = 43130880.

The previous prime is 140637689. The next prime is 140637701. The reversal of 140637696 is 696736041.

140637696 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1780185 + ... + 1780263.

It is an arithmetic number, because the mean of its divisors is an integer number (2537040).

Almost surely, 2^140637696 is an apocalyptic number.

140637696 is a gapful number since it is divisible by the number (16) 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 140637696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (202963200).

140637696 is an abundant number, since it is smaller than the sum of its proper divisors (265288704).

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

140637696 is an equidigital number, since it uses as much as digits as its factorization.

140637696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180 (or 164 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 42.

The square root of 140637696 is about 11859.0765239120. The cubic root of 140637696 is about 520.0366049182.

The spelling of 140637696 in words is "one hundred forty million, six hundred thirty-seven thousand, six hundred ninety-six".