137698589 has 8 divisors (see below), whose sum is σ = 166627008. Its totient is φ = 111084480.

The previous prime is 137698553. The next prime is 137698591. The reversal of 137698589 is 985896731.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-137698589 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137698789) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 578447 + ... + 578684.

It is an arithmetic number, because the mean of its divisors is an integer number (20828376).

Almost surely, 2^137698589 is an apocalyptic number.

It is an amenable number.

137698589 is a deficient number, since it is larger than the sum of its proper divisors (28928419).

137698589 is a wasteful number, since it uses less digits than its factorization.

137698589 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1157155.

The product of its digits is 3265920, while the sum is 56.

The square root of 137698589 is about 11734.5042076775. The cubic root of 137698589 is about 516.3884224100.

The spelling of 137698589 in words is "one hundred thirty-seven million, six hundred ninety-eight thousand, five hundred eighty-nine".