140120664 has 32 divisors (see below), whose sum is σ = 370908720. Its totient is φ = 43959296.

The previous prime is 140120627. The next prime is 140120719. The reversal of 140120664 is 466021041.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 171309 + ... + 172124.

Almost surely, 2^140120664 is an apocalyptic number.

It is an amenable number.

140120664 is an abundant number, since it is smaller than the sum of its proper divisors (230788056).

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

140120664 is a wasteful number, since it uses less digits than its factorization.

140120664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 343459 (or 343455 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 140120664 is about 11837.2574526366. The cubic root of 140120664 is about 519.3985452305.

The spelling of 140120664 in words is "one hundred forty million, one hundred twenty thousand, six hundred sixty-four".