136403564 has 24 divisors (see below), whose sum is σ = 264680976. Its totient is φ = 60984000.

The previous prime is 136403557. The next prime is 136403569. The reversal of 136403564 is 465304631.

It is a self number, because there is not a number n which added to its sum of digits gives 136403564.

It is not an unprimeable number, because it can be changed into a prime (136403569) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22727 + ... + 28094.

It is an arithmetic number, because the mean of its divisors is an integer number (11028374).

Almost surely, 2^136403564 is an apocalyptic number.

It is an amenable number.

136403564 is a deficient number, since it is larger than the sum of its proper divisors (128277412).

136403564 is a wasteful number, since it uses less digits than its factorization.

136403564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50897 (or 50895 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 32.

The square root of 136403564 is about 11679.1936365487. The cubic root of 136403564 is about 514.7644808660.

The spelling of 136403564 in words is "one hundred thirty-six million, four hundred three thousand, five hundred sixty-four".