140656396 has 12 divisors (see below), whose sum is σ = 249616080. Its totient is φ = 69337520.

The previous prime is 140656361. The next prime is 140656427. The reversal of 140656396 is 693656041.

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, 247351 + ... + 247918.

It is an arithmetic number, because the mean of its divisors is an integer number (20801340).

Almost surely, 2^140656396 is an apocalyptic number.

It is an amenable number.

140656396 is a deficient number, since it is larger than the sum of its proper divisors (108959684).

140656396 is a wasteful number, since it uses less digits than its factorization.

140656396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 495344 (or 495342 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 40.

The square root of 140656396 is about 11859.8649233455. The cubic root of 140656396 is about 520.0596529198.

The spelling of 140656396 in words is "one hundred forty million, six hundred fifty-six thousand, three hundred ninety-six".