136524961 has 8 divisors (see below), whose sum is σ = 141344000. Its totient is φ = 131731920.

The previous prime is 136524959. The next prime is 136524967. The reversal of 136524961 is 169425631.

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

It is a cyclic number.

It is not a de Polignac number, because 136524961 - 2¹ = 136524959 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 136524961.

It is not an unprimeable number, because it can be changed into a prime (136524967) 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, 4510 + ... + 17128.

It is an arithmetic number, because the mean of its divisors is an integer number (17668000).

Almost surely, 2^136524961 is an apocalyptic number.

It is an amenable number.

136524961 is a deficient number, since it is larger than the sum of its proper divisors (4819039).

136524961 is a wasteful number, since it uses less digits than its factorization.

136524961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12999.

The product of its digits is 38880, while the sum is 37.

The square root of 136524961 is about 11684.3896289023. The cubic root of 136524961 is about 514.9171463155.

The spelling of 136524961 in words is "one hundred thirty-six million, five hundred twenty-four thousand, nine hundred sixty-one".