137292647 has 4 divisors (see below), whose sum is σ = 137316216. Its totient is φ = 137269080.

The previous prime is 137292619. The next prime is 137292653. The reversal of 137292647 is 746292731.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-137292647 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 (137292667) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4013 + ... + 17049.

It is an arithmetic number, because the mean of its divisors is an integer number (34329054).

Almost surely, 2^137292647 is an apocalyptic number.

137292647 is a deficient number, since it is larger than the sum of its proper divisors (23569).

137292647 is a wasteful number, since it uses less digits than its factorization.

137292647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23568.

The product of its digits is 127008, while the sum is 41.

The square root of 137292647 is about 11717.1945020982. The cubic root of 137292647 is about 515.8804770439.

The spelling of 137292647 in words is "one hundred thirty-seven million, two hundred ninety-two thousand, six hundred forty-seven".