136152720 has 120 divisors (see below), whose sum is σ = 498843072. Its totient is φ = 33004800.

The previous prime is 136152719. The next prime is 136152761. The reversal of 136152720 is 27251631.

It is a happy number.

136152720 is a `hidden beast` number, since 1 + 3 + 615 + 27 + 20 = 666.

It is a tau number, because it is divible by the number of its divisors (120).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 676 + ... + 16515.

Almost surely, 2^136152720 is an apocalyptic number.

136152720 is a gapful number since it is divisible by the number (10) 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 136152720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (249421536).

136152720 is an abundant number, since it is smaller than the sum of its proper divisors (362690352).

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

136152720 is a wasteful number, since it uses less digits than its factorization.

136152720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17221 (or 17212 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 27.

The square root of 136152720 is about 11668.4497684997. The cubic root of 136152720 is about 514.4487393220.

The spelling of 136152720 in words is "one hundred thirty-six million, one hundred fifty-two thousand, seven hundred twenty".