136547830 has 32 divisors (see below), whose sum is σ = 251424000. Its totient is φ = 53377632.

The previous prime is 136547713. The next prime is 136547837. The reversal of 136547830 is 38745631.

136547830 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 136547830.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136547837) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 116829 + ... + 117991.

It is an arithmetic number, because the mean of its divisors is an integer number (7857000).

Almost surely, 2^136547830 is an apocalyptic number.

136547830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

136547830 is a deficient number, since it is larger than the sum of its proper divisors (114876170).

136547830 is a wasteful number, since it uses less digits than its factorization.

136547830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1428.

The product of its (nonzero) digits is 60480, while the sum is 37.

The square root of 136547830 is about 11685.3682013020. The cubic root of 136547830 is about 514.9458955949.

The spelling of 136547830 in words is "one hundred thirty-six million, five hundred forty-seven thousand, eight hundred thirty".