136679424 has 156 divisors (see below), whose sum is σ = 425800944. Its totient is φ = 38879232.

The previous prime is 136679423. The next prime is 136679441. The reversal of 136679424 is 424976631.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (136679423) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 601999 + ... + 602225.

Almost surely, 2^136679424 is an apocalyptic number.

136679424 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 136679424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (212900472).

136679424 is an abundant number, since it is smaller than the sum of its proper divisors (289121520).

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

136679424 is an equidigital number, since it uses as much as digits as its factorization.

136679424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268 (or 239 counting only the distinct ones).

The product of its digits is 217728, while the sum is 42.

The square root of 136679424 is about 11690.9975622271. The cubic root of 136679424 is about 515.1112638603. Note that the first 3 decimals are identical.

The spelling of 136679424 in words is "one hundred thirty-six million, six hundred seventy-nine thousand, four hundred twenty-four".