140437696 has 28 divisors (see below), whose sum is σ = 318493648. Its totient is φ = 60187392.

The previous prime is 140437679. The next prime is 140437709. The reversal of 140437696 is 696734041.

It is a tau number, because it is divible by the number of its divisors (28).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 156291 + ... + 157186.

Almost surely, 2^140437696 is an apocalyptic number.

140437696 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

140437696 is an abundant number, since it is smaller than the sum of its proper divisors (178055952).

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

140437696 is an equidigital number, since it uses as much as digits as its factorization.

140437696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 313496 (or 313486 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 40.

The square root of 140437696 is about 11850.6411640890. The cubic root of 140437696 is about 519.7899743546.

The spelling of 140437696 in words is "one hundred forty million, four hundred thirty-seven thousand, six hundred ninety-six".