137895690 has 32 divisors (see below), whose sum is σ = 332424000. Its totient is φ = 36608384.

The previous prime is 137895683. The next prime is 137895701. The reversal of 137895690 is 96598731.

It is a super-2 number, since 2×137895690² = 38030442641152200, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3315 + ... + 16934.

It is an arithmetic number, because the mean of its divisors is an integer number (10388250).

Almost surely, 2^137895690 is an apocalyptic number.

137895690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

137895690 is an abundant number, since it is smaller than the sum of its proper divisors (194528310).

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

137895690 is a wasteful number, since it uses less digits than its factorization.

137895690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20486.

The product of its (nonzero) digits is 408240, while the sum is 48.

The square root of 137895690 is about 11742.8995567534. The cubic root of 137895690 is about 516.6346901241.

The spelling of 137895690 in words is "one hundred thirty-seven million, eight hundred ninety-five thousand, six hundred ninety".