139210996356 has 30 divisors (see below), whose sum is σ = 363925043790. Its totient is φ = 46403665344.

The previous prime is 139210996339. The next prime is 139210996373. The reversal of 139210996356 is 653699012931.

139210996356 is a `hidden beast` number, since 13 + 92 + 109 + 96 + 356 = 666.

It is an interprime number because it is at equal distance from previous prime (139210996339) and next prime (139210996373).

It can be written as a sum of positive squares in only one way, i.e., 136333746756 + 2877249600 = 369234^2 + 53640^2 .

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 214831461 + ... + 214832108.

It is an arithmetic number, because the mean of its divisors is an integer number (12130834793).

Almost surely, 2^139210996356 is an apocalyptic number.

It is an amenable number.

139210996356 is an abundant number, since it is smaller than the sum of its proper divisors (224714047434).

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

139210996356 is a wasteful number, since it uses less digits than its factorization.

139210996356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 429663585 (or 429663574 counting only the distinct ones).

The product of its (nonzero) digits is 2361960, while the sum is 54.

The spelling of 139210996356 in words is "one hundred thirty-nine billion, two hundred ten million, nine hundred ninety-six thousand, three hundred fifty-six".