136139355 has 48 divisors (see below), whose sum is σ = 258766560. Its totient is φ = 65664000.

The previous prime is 136139347. The next prime is 136139359. The reversal of 136139355 is 553931631.

136139355 is a `hidden beast` number, since 1 + 3 + 613 + 9 + 35 + 5 = 666.

It is not a de Polignac number, because 136139355 - 2³ = 136139347 is a prime.

It is not an unprimeable number, because it can be changed into a prime (136139359) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 112755 + ... + 113955.

It is an arithmetic number, because the mean of its divisors is an integer number (5390970).

Almost surely, 2^136139355 is an apocalyptic number.

136139355 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

136139355 is a deficient number, since it is larger than the sum of its proper divisors (122627205).

136139355 is a wasteful number, since it uses less digits than its factorization.

136139355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1452 (or 1449 counting only the distinct ones).

The product of its digits is 36450, while the sum is 36.

The square root of 136139355 is about 11667.8770562601. The cubic root of 136139355 is about 514.4319056948.

The spelling of 136139355 in words is "one hundred thirty-six million, one hundred thirty-nine thousand, three hundred fifty-five".