137318671 has 16 divisors (see below), whose sum is σ = 164150784. Its totient is φ = 112315104.

The previous prime is 137318663. The next prime is 137318677. The reversal of 137318671 is 176813731.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 137318671 - 2³ = 137318663 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 137318671.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137318677) 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 15 ways as a sum of consecutive naturals, for example, 93781 + ... + 95233.

It is an arithmetic number, because the mean of its divisors is an integer number (10259424).

Almost surely, 2^137318671 is an apocalyptic number.

137318671 is a deficient number, since it is larger than the sum of its proper divisors (26832113).

137318671 is a wasteful number, since it uses less digits than its factorization.

137318671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2070.

The product of its digits is 21168, while the sum is 37.

The square root of 137318671 is about 11718.3049542159. The cubic root of 137318671 is about 515.9130702566.

The spelling of 137318671 in words is "one hundred thirty-seven million, three hundred eighteen thousand, six hundred seventy-one".