137502775139 has 4 divisors (see below), whose sum is σ = 137540585424. Its totient is φ = 137464964856.

The previous prime is 137502775127. The next prime is 137502775171. The reversal of 137502775139 is 931577205731.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-137502775139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (137502775339) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18899687 + ... + 18906960.

It is an arithmetic number, because the mean of its divisors is an integer number (34385146356).

Almost surely, 2^137502775139 is an apocalyptic number.

137502775139 is a deficient number, since it is larger than the sum of its proper divisors (37810285).

137502775139 is an equidigital number, since it uses as much as digits as its factorization.

137502775139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37810284.

The product of its (nonzero) digits is 1389150, while the sum is 50.

The spelling of 137502775139 in words is "one hundred thirty-seven billion, five hundred two million, seven hundred seventy-five thousand, one hundred thirty-nine".