137612497 has 8 divisors (see below), whose sum is σ = 158024160. Its totient is φ = 118517760.

The previous prime is 137612369. The next prime is 137612521. The reversal of 137612497 is 794216731.

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 137612497 - 2⁷ = 137612369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (137612597) 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, 329008 + ... + 329425.

It is an arithmetic number, because the mean of its divisors is an integer number (19753020).

Almost surely, 2^137612497 is an apocalyptic number.

It is an amenable number.

137612497 is a deficient number, since it is larger than the sum of its proper divisors (20411663).

137612497 is a wasteful number, since it uses less digits than its factorization.

137612497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 658463.

The product of its digits is 63504, while the sum is 40.

The square root of 137612497 is about 11730.8353070018. The cubic root of 137612497 is about 516.2807810736.

The spelling of 137612497 in words is "one hundred thirty-seven million, six hundred twelve thousand, four hundred ninety-seven".