139011356 has 24 divisors (see below), whose sum is σ = 276925824. Its totient is φ = 60439280.

The previous prime is 139011349. The next prime is 139011359. The reversal of 139011356 is 653110931.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139011359) 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, 67670 + ... + 69693.

It is an arithmetic number, because the mean of its divisors is an integer number (11538576).

Almost surely, 2^139011356 is an apocalyptic number.

It is an amenable number.

139011356 is a deficient number, since it is larger than the sum of its proper divisors (137914468).

139011356 is a wasteful number, since it uses less digits than its factorization.

139011356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137401 (or 137399 counting only the distinct ones).

The product of its (nonzero) digits is 2430, while the sum is 29.

The square root of 139011356 is about 11790.3077143898. The cubic root of 139011356 is about 518.0242531242.

The spelling of 139011356 in words is "one hundred thirty-nine million, eleven thousand, three hundred fifty-six".