136699530 has 32 divisors (see below), whose sum is σ = 357905088. Its totient is φ = 33139200.

The previous prime is 136699517. The next prime is 136699543. The reversal of 136699530 is 35996631.

It is an interprime number because it is at equal distance from previous prime (136699517) and next prime (136699543).

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 15 ways as a sum of consecutive naturals, for example, 206791 + ... + 207450.

It is an arithmetic number, because the mean of its divisors is an integer number (11184534).

Almost surely, 2^136699530 is an apocalyptic number.

136699530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

136699530 is an abundant number, since it is smaller than the sum of its proper divisors (221205558).

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

136699530 is a wasteful number, since it uses less digits than its factorization.

136699530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 414262.

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

The square root of 136699530 is about 11691.8574230103. The cubic root of 136699530 is about 515.1365208180.

The spelling of 136699530 in words is "one hundred thirty-six million, six hundred ninety-nine thousand, five hundred thirty".