140638952 has 16 divisors (see below), whose sum is σ = 264534660. Its totient is φ = 70096384.

The previous prime is 140638937. The next prime is 140638999. The reversal of 140638952 is 259836041.

It is a happy number.

140638952 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 89000356 + 51638596 = 9434^2 + 7186^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25193 + ... + 30264.

Almost surely, 2^140638952 is an apocalyptic number.

It is an amenable number.

140638952 is a deficient number, since it is larger than the sum of its proper divisors (123895708).

140638952 is a wasteful number, since it uses less digits than its factorization.

140638952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55780 (or 55776 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 38.

The square root of 140638952 is about 11859.1294790132. The cubic root of 140638952 is about 520.0381530191.

The spelling of 140638952 in words is "one hundred forty million, six hundred thirty-eight thousand, nine hundred fifty-two".