136137479 has 8 divisors (see below), whose sum is σ = 144698400. Its totient is φ = 127638016.

The previous prime is 136137457. The next prime is 136137497. The reversal of 136137479 is 974731631.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-136137479 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136137409) 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, 10754 + ... + 19695.

It is an arithmetic number, because the mean of its divisors is an integer number (18087300).

Almost surely, 2^136137479 is an apocalyptic number.

136137479 is a deficient number, since it is larger than the sum of its proper divisors (8560921).

136137479 is a wasteful number, since it uses less digits than its factorization.

136137479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30729.

The product of its digits is 95256, while the sum is 41.

The square root of 136137479 is about 11667.7966643236. The cubic root of 136137479 is about 514.4295427271.

The spelling of 136137479 in words is "one hundred thirty-six million, one hundred thirty-seven thousand, four hundred seventy-nine".