136131304 has 8 divisors (see below), whose sum is σ = 255246210. Its totient is φ = 68065648.

The previous prime is 136131277. The next prime is 136131313. The reversal of 136131304 is 403131631.

136131304 = T₉₅₂₅ + T₉₅₂₆ + T₉₅₂₇.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 116683204 + 19448100 = 10802^2 + 4410^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8508199 + ... + 8508214.

Almost surely, 2^136131304 is an apocalyptic number.

136131304 is the 9527-th centered triangular number.

It is an amenable number.

136131304 is a deficient number, since it is larger than the sum of its proper divisors (119114906).

136131304 is a wasteful number, since it uses less digits than its factorization.

136131304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17016419 (or 17016415 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 22.

The square root of 136131304 is about 11667.5320440957. The cubic root of 136131304 is about 514.4217646818.

Adding to 136131304 its reverse (403131631), we get a palindrome (539262935).

The spelling of 136131304 in words is "one hundred thirty-six million, one hundred thirty-one thousand, three hundred four".