140470172 has 6 divisors (see below), whose sum is σ = 245822808. Its totient is φ = 70235084.

The previous prime is 140470159. The next prime is 140470181. The reversal of 140470172 is 271074041.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17558768 + ... + 17558775.

It is an arithmetic number, because the mean of its divisors is an integer number (40970468).

Almost surely, 2^140470172 is an apocalyptic number.

It is an amenable number.

140470172 is a deficient number, since it is larger than the sum of its proper divisors (105352636).

140470172 is a wasteful number, since it uses less digits than its factorization.

140470172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35117547 (or 35117545 counting only the distinct ones).

The product of its (nonzero) digits is 1568, while the sum is 26.

The square root of 140470172 is about 11852.0113061033. The cubic root of 140470172 is about 519.8300381424.

The spelling of 140470172 in words is "one hundred forty million, four hundred seventy thousand, one hundred seventy-two".