137276407 has 4 divisors (see below), whose sum is σ = 137510856. Its totient is φ = 137041960.

The previous prime is 137276393. The next prime is 137276417. The reversal of 137276407 is 704672731.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 137276407 - 2¹¹ = 137274359 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 (137276417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 116344 + ... + 117517.

It is an arithmetic number, because the mean of its divisors is an integer number (34377714).

Almost surely, 2^137276407 is an apocalyptic number.

137276407 is a deficient number, since it is larger than the sum of its proper divisors (234449).

137276407 is an equidigital number, since it uses as much as digits as its factorization.

137276407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234448.

The product of its (nonzero) digits is 49392, while the sum is 37.

The square root of 137276407 is about 11716.5014829513. The cubic root of 137276407 is about 515.8601355095.

The spelling of 137276407 in words is "one hundred thirty-seven million, two hundred seventy-six thousand, four hundred seven".