136551830 has 32 divisors (see below), whose sum is σ = 253955520. Its totient is φ = 52824960.

The previous prime is 136551827. The next prime is 136551839. The reversal of 136551830 is 38155631.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136551839) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 65951 + ... + 67989.

It is an arithmetic number, because the mean of its divisors is an integer number (7936110).

Almost surely, 2^136551830 is an apocalyptic number.

136551830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

136551830 is a deficient number, since it is larger than the sum of its proper divisors (117403690).

136551830 is a wasteful number, since it uses less digits than its factorization.

136551830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2264.

The product of its (nonzero) digits is 10800, while the sum is 32.

The square root of 136551830 is about 11685.5393542617. The cubic root of 136551830 is about 514.9509237805.

The spelling of 136551830 in words is "one hundred thirty-six million, five hundred fifty-one thousand, eight hundred thirty".