136734690 has 16 divisors (see below), whose sum is σ = 328163328. Its totient is φ = 36462576.

The previous prime is 136734673. The next prime is 136734727. The reversal of 136734690 is 96437631.

It is a super-2 number, since 2×136734690² = 37392750898792200, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 2278882 + ... + 2278941.

It is an arithmetic number, because the mean of its divisors is an integer number (20510208).

Almost surely, 2^136734690 is an apocalyptic number.

136734690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

136734690 is an abundant number, since it is smaller than the sum of its proper divisors (191428638).

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

136734690 is a wasteful number, since it uses less digits than its factorization.

136734690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4557833.

The product of its (nonzero) digits is 81648, while the sum is 39.

The square root of 136734690 is about 11693.3609368735. The cubic root of 136734690 is about 515.1806825095.

The spelling of 136734690 in words is "one hundred thirty-six million, seven hundred thirty-four thousand, six hundred ninety".