136516744 has 128 divisors (see below), whose sum is σ = 332640000. Its totient is φ = 52157952.

The previous prime is 136516727. The next prime is 136516759. The reversal of 136516744 is 447615631.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1533852 + ... + 1533940.

It is an arithmetic number, because the mean of its divisors is an integer number (2598750).

Almost surely, 2^136516744 is an apocalyptic number.

136516744 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 136516744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (166320000).

136516744 is an abundant number, since it is smaller than the sum of its proper divisors (196123256).

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

136516744 is a wasteful number, since it uses less digits than its factorization.

136516744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172 (or 154 counting only the distinct ones).

The product of its digits is 60480, while the sum is 37.

The square root of 136516744 is about 11684.0380006229. The cubic root of 136516744 is about 514.9068157038.

The spelling of 136516744 in words is "one hundred thirty-six million, five hundred sixteen thousand, seven hundred forty-four".