136031530 has 8 divisors (see below), whose sum is σ = 244856772. Its totient is φ = 54412608.

The previous prime is 136031513. The next prime is 136031531. The reversal of 136031530 is 35130631.

It can be written as a sum of positive squares in 2 ways, for example, as 135792409 + 239121 = 11653^2 + 489^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (136031531) 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 3 ways as a sum of consecutive naturals, for example, 6801567 + ... + 6801586.

Almost surely, 2^136031530 is an apocalyptic number.

136031530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

136031530 is a deficient number, since it is larger than the sum of its proper divisors (108825242).

136031530 is a wasteful number, since it uses less digits than its factorization.

136031530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13603160.

The product of its (nonzero) digits is 810, while the sum is 22.

The square root of 136031530 is about 11663.2555489452. The cubic root of 136031530 is about 514.2960564866.

The spelling of 136031530 in words is "one hundred thirty-six million, thirty-one thousand, five hundred thirty".