136369556 has 6 divisors (see below), whose sum is σ = 238646730. Its totient is φ = 68184776.

The previous prime is 136369547. The next prime is 136369561. The reversal of 136369556 is 655963631.

It can be written as a sum of positive squares in only one way, i.e., 109537156 + 26832400 = 10466^2 + 5180^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17046191 + ... + 17046198.

It is an arithmetic number, because the mean of its divisors is an integer number (39774455).

Almost surely, 2^136369556 is an apocalyptic number.

It is an amenable number.

136369556 is a deficient number, since it is larger than the sum of its proper divisors (102277174).

136369556 is a wasteful number, since it uses less digits than its factorization.

136369556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34092393 (or 34092391 counting only the distinct ones).

The product of its digits is 437400, while the sum is 44.

The square root of 136369556 is about 11677.7376233584. The cubic root of 136369556 is about 514.7216971219.

The spelling of 136369556 in words is "one hundred thirty-six million, three hundred sixty-nine thousand, five hundred fifty-six".