139932636064 has 48 divisors (see below), whose sum is σ = 298399189032. Its totient is φ = 64210940928.

The previous prime is 139932636059. The next prime is 139932636091. The reversal of 139932636064 is 460636239931.

It can be written as a sum of positive squares in 4 ways, for example, as 138964928400 + 967707664 = 372780^2 + 31108^2 .

It is a super-2 number, since 2×139932636064² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (52).

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 900219 + ... + 1044154.

Almost surely, 2^139932636064 is an apocalyptic number.

It is an amenable number.

139932636064 is an abundant number, since it is smaller than the sum of its proper divisors (158466552968).

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

139932636064 is a wasteful number, since it uses less digits than its factorization.

139932636064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1944569 (or 1944561 counting only the distinct ones).

The product of its (nonzero) digits is 3779136, while the sum is 52.

The spelling of 139932636064 in words is "one hundred thirty-nine billion, nine hundred thirty-two million, six hundred thirty-six thousand, sixty-four".