137897613486 has 32 divisors (see below), whose sum is σ = 306766296480. Its totient is φ = 45916797888.

The previous prime is 137897613479. The next prime is 137897613493. The reversal of 137897613486 is 684316798731.

137897613486 is a `hidden beast` number, since 1 + 3 + 7 + 8 + 9 + 7 + 613 + 4 + 8 + 6 = 666.

137897613486 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (137897613479) and next prime (137897613493).

It is a congruent 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 15 ways as a sum of consecutive naturals, for example, 1312081 + ... + 1413276.

It is an arithmetic number, because the mean of its divisors is an integer number (9586446765).

Almost surely, 2^137897613486 is an apocalyptic number.

137897613486 is an abundant number, since it is smaller than the sum of its proper divisors (168868682994).

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

137897613486 is a wasteful number, since it uses less digits than its factorization.

137897613486 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2726305 (or 2726299 counting only the distinct ones).

The product of its digits is 36578304, while the sum is 63.

The spelling of 137897613486 in words is "one hundred thirty-seven billion, eight hundred ninety-seven million, six hundred thirteen thousand, four hundred eighty-six".