137688486 has 32 divisors (see below), whose sum is σ = 297144288. Its totient is φ = 42282240.

The previous prime is 137688479. The next prime is 137688517. The reversal of 137688486 is 684886731.

137688486 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46696 + ... + 49556.

It is an arithmetic number, because the mean of its divisors is an integer number (9285759).

Almost surely, 2^137688486 is an apocalyptic number.

137688486 is an abundant number, since it is smaller than the sum of its proper divisors (159455802).

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

137688486 is a wasteful number, since it uses less digits than its factorization.

137688486 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3496.

The product of its digits is 1548288, while the sum is 51.

The square root of 137688486 is about 11734.0737171709. The cubic root of 137688486 is about 516.3757928934.

It can be divided in two parts, 1376884 and 86, that added together give a triangular number (1376970 = T₁₆₅₉).

The spelling of 137688486 in words is "one hundred thirty-seven million, six hundred eighty-eight thousand, four hundred eighty-six".