137540877 has 16 divisors (see below), whose sum is σ = 190626240. Its totient is φ = 88134912.

The previous prime is 137540827. The next prime is 137540899. The reversal of 137540877 is 778045731.

It is a happy number.

It is not a de Polignac number, because 137540877 - 2¹² = 137536781 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137540807) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1749 + ... + 16677.

It is an arithmetic number, because the mean of its divisors is an integer number (11914140).

Almost surely, 2^137540877 is an apocalyptic number.

It is an amenable number.

137540877 is a deficient number, since it is larger than the sum of its proper divisors (53085363).

137540877 is a wasteful number, since it uses less digits than its factorization.

137540877 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15052.

The product of its (nonzero) digits is 164640, while the sum is 42.

The square root of 137540877 is about 11727.7822711713. The cubic root of 137540877 is about 516.1911999506.

The spelling of 137540877 in words is "one hundred thirty-seven million, five hundred forty thousand, eight hundred seventy-seven".