136561300 has 36 divisors (see below), whose sum is σ = 297660636. Its totient is φ = 54380800.

The previous prime is 136561297. The next prime is 136561301. The reversal of 136561300 is 3165631.

It can be written as a sum of positive squares in 6 ways, for example, as 13927824 + 122633476 = 3732^2 + 11074^2 .

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136561301) 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, 20370 + ... + 26230.

It is an arithmetic number, because the mean of its divisors is an integer number (8268351).

Almost surely, 2^136561300 is an apocalyptic number.

136561300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

136561300 is an abundant number, since it is smaller than the sum of its proper divisors (161099336).

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

136561300 is a wasteful number, since it uses less digits than its factorization.

136561300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6108 (or 6101 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 25.

The square root of 136561300 is about 11685.9445489015. The cubic root of 136561300 is about 514.9628276183.

The spelling of 136561300 in words is "one hundred thirty-six million, five hundred sixty-one thousand, three hundred".