139226956 has 36 divisors (see below), whose sum is σ = 268969624. Its totient is φ = 63011520.

The previous prime is 139226951. The next prime is 139226963. The reversal of 139226956 is 659622931.

139226956 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (139226951) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 148120 + ... + 149056.

Almost surely, 2^139226956 is an apocalyptic number.

It is an amenable number.

139226956 is a deficient number, since it is larger than the sum of its proper divisors (129742668).

139226956 is a wasteful number, since it uses less digits than its factorization.

139226956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1270 (or 1257 counting only the distinct ones).

The product of its digits is 174960, while the sum is 43.

The square root of 139226956 is about 11799.4472751905. The cubic root of 139226956 is about 518.2919251139.

The spelling of 139226956 in words is "one hundred thirty-nine million, two hundred twenty-six thousand, nine hundred fifty-six".