140972988 has 24 divisors (see below), whose sum is σ = 354240208. Its totient is φ = 43376256.

The previous prime is 140972987. The next prime is 140973011. The reversal of 140972988 is 889279041.

140972988 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140972987) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 451681 + ... + 451992.

Almost surely, 2^140972988 is an apocalyptic number.

It is an amenable number.

140972988 is an abundant number, since it is smaller than the sum of its proper divisors (213267220).

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

140972988 is a wasteful number, since it uses less digits than its factorization.

140972988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 903693 (or 903691 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 48.

The square root of 140972988 is about 11873.2046221734. The cubic root of 140972988 is about 520.4495471458.

The spelling of 140972988 in words is "one hundred forty million, nine hundred seventy-two thousand, nine hundred eighty-eight".