140531637672 has 24 divisors (see below), whose sum is σ = 380606518890. Its totient is φ = 46843879200.

The previous prime is 140531637667. The next prime is 140531637707. The reversal of 140531637672 is 276736135041.

140531637672 is a `hidden beast` number, since 1 + 4 + 0 + 5 + 3 + 1 + 637 + 6 + 7 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 109332067716 + 31199569956 = 330654^2 + 176634^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 975914079 + ... + 975914222.

Almost surely, 2^140531637672 is an apocalyptic number.

140531637672 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

140531637672 is an abundant number, since it is smaller than the sum of its proper divisors (240074881218).

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

140531637672 is a wasteful number, since it uses less digits than its factorization.

140531637672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1951828313 (or 1951828306 counting only the distinct ones).

The product of its (nonzero) digits is 635040, while the sum is 45.

The spelling of 140531637672 in words is "one hundred forty billion, five hundred thirty-one million, six hundred thirty-seven thousand, six hundred seventy-two".