136572533280 has 144 divisors (see below), whose sum is σ = 466149489624. Its totient is φ = 36411863040.

The previous prime is 136572533269. The next prime is 136572533281. The reversal of 136572533280 is 82335275631.

136572533280 is a `hidden beast` number, since 1 + 3 + 6 + 572 + 53 + 3 + 28 + 0 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 105544415376 + 31028117904 = 324876^2 + 176148^2 .

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (136572533281) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13906932 + ... + 13916748.

Almost surely, 2^136572533280 is an apocalyptic number.

136572533280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

136572533280 is an abundant number, since it is smaller than the sum of its proper divisors (329576956344).

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

136572533280 is a wasteful number, since it uses less digits than its factorization.

136572533280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19499 (or 19488 counting only the distinct ones).

The product of its (nonzero) digits is 907200, while the sum is 45.

The spelling of 136572533280 in words is "one hundred thirty-six billion, five hundred seventy-two million, five hundred thirty-three thousand, two hundred eighty".