136387330 has 16 divisors (see below), whose sum is σ = 246457080. Its totient is φ = 54341632.

The previous prime is 136387327. The next prime is 136387333. The reversal of 136387330 is 33783631.

It is an interprime number because it is at equal distance from previous prime (136387327) and next prime (136387333).

It can be written as a sum of positive squares in 4 ways, for example, as 130850721 + 5536609 = 11439^2 + 2353^2 .

It is not an unprimeable number, because it can be changed into a prime (136387333) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23965 + ... + 29104.

Almost surely, 2^136387330 is an apocalyptic number.

136387330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

136387330 is a deficient number, since it is larger than the sum of its proper divisors (110069750).

136387330 is a wasteful number, since it uses less digits than its factorization.

136387330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53333.

The product of its (nonzero) digits is 27216, while the sum is 34.

The square root of 136387330 is about 11678.4986192575. The cubic root of 136387330 is about 514.7440585792.

The spelling of 136387330 in words is "one hundred thirty-six million, three hundred eighty-seven thousand, three hundred thirty".