137535986 has 16 divisors (see below), whose sum is σ = 235991040. Its totient is φ = 58890240.

The previous prime is 137535953. The next prime is 137535989. The reversal of 137535986 is 689535731.

137535986 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×137535986² = 37832294889984392, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 137535986.

It is not an unprimeable number, because it can be changed into a prime (137535989) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14066 + ... + 21746.

It is an arithmetic number, because the mean of its divisors is an integer number (14749440).

Almost surely, 2^137535986 is an apocalyptic number.

137535986 is a deficient number, since it is larger than the sum of its proper divisors (98455054).

137535986 is a wasteful number, since it uses less digits than its factorization.

137535986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8969.

The product of its digits is 680400, while the sum is 47.

The square root of 137535986 is about 11727.5737473699. The cubic root of 137535986 is about 516.1850812336.

The spelling of 137535986 in words is "one hundred thirty-seven million, five hundred thirty-five thousand, nine hundred eighty-six".