139156344 has 48 divisors (see below), whose sum is σ = 377562120. Its totient is φ = 46301760.

The previous prime is 139156333. The next prime is 139156349. The reversal of 139156344 is 443651931.

139156344 is a `hidden beast` number, since 1 + 3 + 9 + 15 + 634 + 4 = 666.

139156344 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 139156299 and 139156308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139156349) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 48354 + ... + 51150.

Almost surely, 2^139156344 is an apocalyptic number.

It is an amenable number.

139156344 is an abundant number, since it is smaller than the sum of its proper divisors (238405776).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

139156344 is a wasteful number, since it uses less digits than its factorization.

139156344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3500 (or 3493 counting only the distinct ones).

The product of its digits is 38880, while the sum is 36.

The square root of 139156344 is about 11796.4547216526. The cubic root of 139156344 is about 518.2042892631.

The spelling of 139156344 in words is "one hundred thirty-nine million, one hundred fifty-six thousand, three hundred forty-four".