139155047424 has 66 divisors (see below), whose sum is σ = 401807206190. Its totient is φ = 46385012736.

The previous prime is 139155047417. The next prime is 139155047429. The reversal of 139155047424 is 424740551931.

139155047424 is a `hidden beast` number, since 1 + 3 + 9 + 1 + 550 + 4 + 74 + 24 = 666.

It can be written as a sum of positive squares in only one way, i.e., 105287270400 + 33867777024 = 324480^2 + 184032^2 .

It is a super-3 number, since 3×139155047424³ (a number of 34 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 139155047424.

It is not an unprimeable number, because it can be changed into a prime (139155047429) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7540429 + ... + 7558860.

Almost surely, 2^139155047424 is an apocalyptic number.

It is an amenable number.

139155047424 is an abundant number, since it is smaller than the sum of its proper divisors (262652158766).

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

139155047424 is a wasteful number, since it uses less digits than its factorization.

139155047424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15099315 (or 15099294 counting only the distinct ones).

The product of its (nonzero) digits is 604800, while the sum is 45.

The spelling of 139155047424 in words is "one hundred thirty-nine billion, one hundred fifty-five million, forty-seven thousand, four hundred twenty-four".