137947783045 has 32 divisors (see below), whose sum is σ = 173894659200. Its totient is φ = 104906140416.

The previous prime is 137947783009. The next prime is 137947783063. The reversal of 137947783045 is 540387749731.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-137947783045 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 31659007 + ... + 31663363.

It is an arithmetic number, because the mean of its divisors is an integer number (5434208100).

Almost surely, 2^137947783045 is an apocalyptic number.

It is an amenable number.

137947783045 is a deficient number, since it is larger than the sum of its proper divisors (35946876155).

137947783045 is a wasteful number, since it uses less digits than its factorization.

137947783045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7717.

The product of its (nonzero) digits is 17781120, while the sum is 58.

The spelling of 137947783045 in words is "one hundred thirty-seven billion, nine hundred forty-seven million, seven hundred eighty-three thousand, forty-five".