140032172 has 24 divisors (see below), whose sum is σ = 281750784. Its totient is φ = 59652432.

The previous prime is 140032169. The next prime is 140032183. The reversal of 140032172 is 271230041.

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, 10298 + ... + 19649.

It is an arithmetic number, because the mean of its divisors is an integer number (11739616).

Almost surely, 2^140032172 is an apocalyptic number.

It is an amenable number.

140032172 is an abundant number, since it is smaller than the sum of its proper divisors (141718612).

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

140032172 is a wasteful number, since it uses less digits than its factorization.

140032172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30125 (or 30123 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 20.

The square root of 140032172 is about 11833.5190032382. The cubic root of 140032172 is about 519.2891816436.

The spelling of 140032172 in words is "one hundred forty million, thirty-two thousand, one hundred seventy-two".