140167972 has 24 divisors (see below), whose sum is σ = 280969920. Its totient is φ = 59936160.

The previous prime is 140167961. The next prime is 140168023. The reversal of 140167972 is 279761041.

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, 7479 + ... + 18337.

It is an arithmetic number, because the mean of its divisors is an integer number (11707080).

Almost surely, 2^140167972 is an apocalyptic number.

It is an amenable number.

140167972 is an abundant number, since it is smaller than the sum of its proper divisors (140801948).

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

140167972 is a wasteful number, since it uses less digits than its factorization.

140167972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11331 (or 11329 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 37.

The square root of 140167972 is about 11839.2555509204. The cubic root of 140167972 is about 519.4569923357.

Adding to 140167972 its product of nonzero digits (21168), we get a triangular number (140189140 = T₁₆₇₄₄).

The spelling of 140167972 in words is "one hundred forty million, one hundred sixty-seven thousand, nine hundred seventy-two".