139015472 has 40 divisors (see below), whose sum is σ = 276357312. Its totient is φ = 67712000.

The previous prime is 139015447. The next prime is 139015483. The reversal of 139015472 is 274510931.

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, 301322 + ... + 301782.

Almost surely, 2^139015472 is an apocalyptic number.

It is an amenable number.

139015472 is a deficient number, since it is larger than the sum of its proper divisors (137341840).

139015472 is a wasteful number, since it uses less digits than its factorization.

139015472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 917 (or 911 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 32.

The square root of 139015472 is about 11790.4822632495. The cubic root of 139015472 is about 518.0293658163.

The spelling of 139015472 in words is "one hundred thirty-nine million, fifteen thousand, four hundred seventy-two".