136756590 has 16 divisors (see below), whose sum is σ = 328215888. Its totient is φ = 36468416.

The previous prime is 136756583. The next prime is 136756591. The reversal of 136756590 is 95657631.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136756591) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2279247 + ... + 2279306.

It is an arithmetic number, because the mean of its divisors is an integer number (20513493).

Almost surely, 2^136756590 is an apocalyptic number.

136756590 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

136756590 is an abundant number, since it is smaller than the sum of its proper divisors (191459298).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

136756590 is a wasteful number, since it uses less digits than its factorization.

136756590 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4558563.

The product of its (nonzero) digits is 170100, while the sum is 42.

The square root of 136756590 is about 11694.2973281852. The cubic root of 136756590 is about 515.2081855391.

The spelling of 136756590 in words is "one hundred thirty-six million, seven hundred fifty-six thousand, five hundred ninety".