137144164 has 6 divisors (see below), whose sum is σ = 240002294. Its totient is φ = 68572080.

The previous prime is 137144159. The next prime is 137144171. The reversal of 137144164 is 461441731.

It can be written as a sum of positive squares in only one way, i.e., 98604900 + 38539264 = 9930^2 + 6208^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17143017 + ... + 17143024.

Almost surely, 2^137144164 is an apocalyptic number.

It is an amenable number.

137144164 is a deficient number, since it is larger than the sum of its proper divisors (102858130).

137144164 is a wasteful number, since it uses less digits than its factorization.

137144164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34286045 (or 34286043 counting only the distinct ones).

The product of its digits is 8064, while the sum is 31.

The square root of 137144164 is about 11710.8566723361. The cubic root of 137144164 is about 515.6944337914.

Adding to 137144164 its reverse (461441731), we get a palindrome (598585895).

The spelling of 137144164 in words is "one hundred thirty-seven million, one hundred forty-four thousand, one hundred sixty-four".