137274761 has 8 divisors (see below), whose sum is σ = 147948864. Its totient is φ = 126617040.

The previous prime is 137274749. The next prime is 137274763. The reversal of 137274761 is 167472731.

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 137274761 - 2²⁶ = 70165897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (137274763) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17606 + ... + 24176.

It is an arithmetic number, because the mean of its divisors is an integer number (18493608).

Almost surely, 2^137274761 is an apocalyptic number.

It is an amenable number.

137274761 is a deficient number, since it is larger than the sum of its proper divisors (10674103).

137274761 is a wasteful number, since it uses less digits than its factorization.

137274761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8191.

The product of its digits is 49392, while the sum is 38.

The square root of 137274761 is about 11716.4312399297. The cubic root of 137274761 is about 515.8580737102.

The spelling of 137274761 in words is "one hundred thirty-seven million, two hundred seventy-four thousand, seven hundred sixty-one".