136356990 has 64 divisors (see below), whose sum is σ = 408015360. Its totient is φ = 28333440.

The previous prime is 136356937. The next prime is 136357027. The reversal of 136356990 is 99653631.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 27205 + ... + 31824.

It is an arithmetic number, because the mean of its divisors is an integer number (6375240).

Almost surely, 2^136356990 is an apocalyptic number.

136356990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

136356990 is an abundant number, since it is smaller than the sum of its proper divisors (271658370).

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

136356990 is a wasteful number, since it uses less digits than its factorization.

136356990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59057.

The product of its (nonzero) digits is 131220, while the sum is 42.

The square root of 136356990 is about 11677.1995786661. The cubic root of 136356990 is about 514.7058866734.

The spelling of 136356990 in words is "one hundred thirty-six million, three hundred fifty-six thousand, nine hundred ninety".