136391480 has 32 divisors (see below), whose sum is σ = 312087600. Its totient is φ = 53630976.

The previous prime is 136391477. The next prime is 136391501. The reversal of 136391480 is 84193631.

It is a self number, because there is not a number n which added to its sum of digits gives 136391480.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26537 + ... + 31256.

Almost surely, 2^136391480 is an apocalyptic number.

136391480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

136391480 is an abundant number, since it is smaller than the sum of its proper divisors (175696120).

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

136391480 is a wasteful number, since it uses less digits than its factorization.

136391480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57863 (or 57859 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 35.

The square root of 136391480 is about 11678.6762948547. The cubic root of 136391480 is about 514.7492794116.

The spelling of 136391480 in words is "one hundred thirty-six million, three hundred ninety-one thousand, four hundred eighty".