139136460100 has 81 divisors (see below), whose sum is σ = 331967101053. Its totient is φ = 50580156000.

The previous prime is 139136460097. The next prime is 139136460131. The reversal of 139136460100 is 1064631931.

It is a happy number.

The square root of 139136460100 is 373010.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 50089125636 + 89047334464 = 223806^2 + 298408^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 41029405 + ... + 41032795.

Almost surely, 2^139136460100 is an apocalyptic number.

139136460100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

139136460100 is the 373010-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 139136460100

139136460100 is an abundant number, since it is smaller than the sum of its proper divisors (192830640953).

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

139136460100 is an equidigital number, since it uses as much as digits as its factorization.

139136460100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6818 (or 3409 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 34.

The spelling of 139136460100 in words is "one hundred thirty-nine billion, one hundred thirty-six million, four hundred sixty thousand, one hundred".