139200929522 has 6 divisors (see below), whose sum is σ = 208802185743. Its totient is φ = 69600200942.

The previous prime is 139200929503. The next prime is 139200929531. The reversal of 139200929522 is 225929002931.

It can be written as a sum of positive squares in only one way, i.e., 69600464761 + 69600464761 = 263819^2 + 263819^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=263819.

It is a super-2 number, since 2×139200929522² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

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 2 ways as a sum of consecutive naturals, for example, 395729 + ... + 659547.

Almost surely, 2^139200929522 is an apocalyptic number.

139200929522 is a deficient number, since it is larger than the sum of its proper divisors (69601256221).

139200929522 is an frugal number, since it uses more digits than its factorization.

139200929522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 527640 (or 263821 counting only the distinct ones).

The product of its (nonzero) digits is 174960, while the sum is 44.

The spelling of 139200929522 in words is "one hundred thirty-nine billion, two hundred million, nine hundred twenty-nine thousand, five hundred twenty-two".