36539952136 has 8 divisors (see below), whose sum is σ = 68512410270. Its totient is φ = 18269976064.

The previous prime is 36539952103. The next prime is 36539952139. The reversal of 36539952136 is 63125993563.

It can be written as a sum of positive squares in only one way, i.e., 20276051236 + 16263900900 = 142394^2 + 127530^2 .

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

It is not an unprimeable number, because it can be changed into a prime (36539952139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2283747001 + ... + 2283747016.

Almost surely, 2^36539952136 is an apocalyptic number.

It is an amenable number.

36539952136 is a deficient number, since it is larger than the sum of its proper divisors (31972458134).

36539952136 is a wasteful number, since it uses less digits than its factorization.

36539952136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4567494023 (or 4567494019 counting only the distinct ones).

The product of its digits is 3936600, while the sum is 52.

The spelling of 36539952136 in words is "thirty-six billion, five hundred thirty-nine million, nine hundred fifty-two thousand, one hundred thirty-six".