139547934 has 40 divisors (see below), whose sum is σ = 331090848. Its totient is φ = 43778880.

The previous prime is 139547911. The next prime is 139547939. The reversal of 139547934 is 439745931.

139547934 is a `hidden beast` number, since 13 + 9 + 547 + 93 + 4 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 139547934.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139547939) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 22582 + ... + 28089.

Almost surely, 2^139547934 is an apocalyptic number.

139547934 is an abundant number, since it is smaller than the sum of its proper divisors (191542914).

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

139547934 is a wasteful number, since it uses less digits than its factorization.

139547934 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50702 (or 50693 counting only the distinct ones).

The product of its digits is 408240, while the sum is 45.

The square root of 139547934 is about 11813.0408447614. The cubic root of 139547934 is about 518.6899146743.

The spelling of 139547934 in words is "one hundred thirty-nine million, five hundred forty-seven thousand, nine hundred thirty-four".