137947906495 has 64 divisors (see below), whose sum is σ = 209558347776. Its totient is φ = 84939909120.

The previous prime is 137947906493. The next prime is 137947906501. The reversal of 137947906495 is 594609749731.

It is not a de Polignac number, because 137947906495 - 2¹ = 137947906493 is a prime.

It is a Smith number, since the sum of its digits (64) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137947906493) by changing a digit.

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 63 ways as a sum of consecutive naturals, for example, 5420250 + ... + 5445640.

It is an arithmetic number, because the mean of its divisors is an integer number (3274349184).

Almost surely, 2^137947906495 is an apocalyptic number.

137947906495 is a deficient number, since it is larger than the sum of its proper divisors (71610441281).

137947906495 is a wasteful number, since it uses less digits than its factorization.

137947906495 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25840.

The product of its (nonzero) digits is 51438240, while the sum is 64.

The spelling of 137947906495 in words is "one hundred thirty-seven billion, nine hundred forty-seven million, nine hundred six thousand, four hundred ninety-five".