139972088 has 16 divisors (see below), whose sum is σ = 276261000. Its totient is φ = 66302496.

The previous prime is 139972087. The next prime is 139972097. The reversal of 139972088 is 880279931.

139972088 is digitally balanced in base 3, 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 (139972087) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 460283 + ... + 460586.

Almost surely, 2^139972088 is an apocalyptic number.

It is an amenable number.

139972088 is a deficient number, since it is larger than the sum of its proper divisors (136288912).

139972088 is a wasteful number, since it uses less digits than its factorization.

139972088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 920894 (or 920890 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 47.

The square root of 139972088 is about 11830.9800101260. The cubic root of 139972088 is about 519.2149000593.

The spelling of 139972088 in words is "one hundred thirty-nine million, nine hundred seventy-two thousand, eighty-eight".