137156689 has 8 divisors (see below), whose sum is σ = 142272000. Its totient is φ = 132067152.

The previous prime is 137156683. The next prime is 137156711. The reversal of 137156689 is 986651731.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 137156689 - 2³ = 137156681 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (137156681) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 4752 + ... + 17230.

It is an arithmetic number, because the mean of its divisors is an integer number (17784000).

Almost surely, 2^137156689 is an apocalyptic number.

It is an amenable number.

137156689 is a deficient number, since it is larger than the sum of its proper divisors (5115311).

137156689 is a wasteful number, since it uses less digits than its factorization.

137156689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12887.

The product of its digits is 272160, while the sum is 46.

The square root of 137156689 is about 11711.3914203224. The cubic root of 137156689 is about 515.7101322991.

The spelling of 137156689 in words is "one hundred thirty-seven million, one hundred fifty-six thousand, six hundred eighty-nine".