136705136 has 10 divisors (see below), whose sum is σ = 264866232. Its totient is φ = 68352560.

The previous prime is 136705099. The next prime is 136705139. The reversal of 136705136 is 631507631.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136705139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4272020 + ... + 4272051.

Almost surely, 2^136705136 is an apocalyptic number.

136705136 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

136705136 is a deficient number, since it is larger than the sum of its proper divisors (128161096).

136705136 is an equidigital number, since it uses as much as digits as its factorization.

136705136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8544079 (or 8544073 counting only the distinct ones).

The product of its (nonzero) digits is 11340, while the sum is 32.

The square root of 136705136 is about 11692.0971600479. The cubic root of 136705136 is about 515.1435625780.

The spelling of 136705136 in words is "one hundred thirty-six million, seven hundred five thousand, one hundred thirty-six".