139211913932 has 36 divisors (see below), whose sum is σ = 305195355360. Its totient is φ = 55072844064.

The previous prime is 139211913917. The next prime is 139211913937. The reversal of 139211913932 is 239319112931.

It is a super-2 number, since 2×139211913932² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (139211913937) 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, 27315332 + ... + 27320427.

It is an arithmetic number, because the mean of its divisors is an integer number (8477648760).

Almost surely, 2^139211913932 is an apocalyptic number.

It is an amenable number.

139211913932 is an abundant number, since it is smaller than the sum of its proper divisors (165983441428).

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

139211913932 is a wasteful number, since it uses less digits than its factorization.

139211913932 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54635790 (or 54635781 counting only the distinct ones).

The product of its digits is 78732, while the sum is 44.

The spelling of 139211913932 in words is "one hundred thirty-nine billion, two hundred eleven million, nine hundred thirteen thousand, nine hundred thirty-two".