136709392 has 10 divisors (see below), whose sum is σ = 264874478. Its totient is φ = 68354688.

The previous prime is 136709387. The next prime is 136709407. The reversal of 136709392 is 293907631.

It can be written as a sum of positive squares in only one way, i.e., 128958736 + 7750656 = 11356^2 + 2784^2 .

It is a super-2 number, since 2×136709392² = 37378915722019328, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4272153 + ... + 4272184.

Almost surely, 2^136709392 is an apocalyptic number.

It is an amenable number.

136709392 is a deficient number, since it is larger than the sum of its proper divisors (128165086).

136709392 is an equidigital number, since it uses as much as digits as its factorization.

136709392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8544345 (or 8544339 counting only the distinct ones).

The product of its (nonzero) digits is 61236, while the sum is 40.

The square root of 136709392 is about 11692.2791619085. The cubic root of 136709392 is about 515.1489084592.

The spelling of 136709392 in words is "one hundred thirty-six million, seven hundred nine thousand, three hundred ninety-two".