137144677 has 2 divisors, whose sum is σ = 137144678. Its totient is φ = 137144676.

The previous prime is 137144669. The next prime is 137144687. The reversal of 137144677 is 776441731.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 135629316 + 1515361 = 11646^2 + 1231^2 .

It is a cyclic number.

It is not a de Polignac number, because 137144677 - 2³ = 137144669 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (137144617) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68572338 + 68572339.

It is an arithmetic number, because the mean of its divisors is an integer number (68572339).

Almost surely, 2^137144677 is an apocalyptic number.

It is an amenable number.

137144677 is a deficient number, since it is larger than the sum of its proper divisors (1).

137144677 is an equidigital number, since it uses as much as digits as its factorization.

137144677 is an evil number, because the sum of its binary digits is even.

The product of its digits is 98784, while the sum is 40.

The square root of 137144677 is about 11710.8785750686. The cubic root of 137144677 is about 515.6950767910.

The spelling of 137144677 in words is "one hundred thirty-seven million, one hundred forty-four thousand, six hundred seventy-seven".