137475677 has 2 divisors, whose sum is σ = 137475678. Its totient is φ = 137475676.

The previous prime is 137475647. The next prime is 137475727. The reversal of 137475677 is 776574731.

137475677 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 113081956 + 24393721 = 10634^2 + 4939^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-137475677 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (137475647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68737838 + 68737839.

It is an arithmetic number, because the mean of its divisors is an integer number (68737839).

Almost surely, 2^137475677 is an apocalyptic number.

It is an amenable number.

137475677 is a deficient number, since it is larger than the sum of its proper divisors (1).

137475677 is an equidigital number, since it uses as much as digits as its factorization.

137475677 is an evil number, because the sum of its binary digits is even.

The product of its digits is 864360, while the sum is 47.

The square root of 137475677 is about 11725.0022174838. The cubic root of 137475677 is about 516.1096218132.

The spelling of 137475677 in words is "one hundred thirty-seven million, four hundred seventy-five thousand, six hundred seventy-seven".