140056172 has 6 divisors (see below), whose sum is σ = 245098308. Its totient is φ = 70028084.

The previous prime is 140056159. The next prime is 140056187. The reversal of 140056172 is 271650041.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17507018 + ... + 17507025.

It is an arithmetic number, because the mean of its divisors is an integer number (40849718).

Almost surely, 2^140056172 is an apocalyptic number.

It is an amenable number.

140056172 is a deficient number, since it is larger than the sum of its proper divisors (105042136).

140056172 is a wasteful number, since it uses less digits than its factorization.

140056172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35014047 (or 35014045 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 26.

The square root of 140056172 is about 11834.5330283877. The cubic root of 140056172 is about 519.3188467990.

The spelling of 140056172 in words is "one hundred forty million, fifty-six thousand, one hundred seventy-two".