136216590 has 32 divisors (see below), whose sum is σ = 327352320. Its totient is φ = 36276384.

The previous prime is 136216589. The next prime is 136216607. The reversal of 136216590 is 95612631.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24051 + ... + 29169.

It is an arithmetic number, because the mean of its divisors is an integer number (10229760).

Almost surely, 2^136216590 is an apocalyptic number.

136216590 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

136216590 is an abundant number, since it is smaller than the sum of its proper divisors (191135730).

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

136216590 is a wasteful number, since it uses less digits than its factorization.

136216590 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6016.

The product of its (nonzero) digits is 9720, while the sum is 33.

The square root of 136216590 is about 11671.1863150239. The cubic root of 136216590 is about 514.5291703370.

The spelling of 136216590 in words is "one hundred thirty-six million, two hundred sixteen thousand, five hundred ninety".