136216560 has 40 divisors (see below), whose sum is σ = 422272080. Its totient is φ = 36324352.

The previous prime is 136216543. The next prime is 136216589. The reversal of 136216560 is 65612631.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 283545 + ... + 284024.

It is an arithmetic number, because the mean of its divisors is an integer number (10556802).

Almost surely, 2^136216560 is an apocalyptic number.

136216560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

136216560 is an abundant number, since it is smaller than the sum of its proper divisors (286055520).

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

136216560 is a wasteful number, since it uses less digits than its factorization.

136216560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 567585 (or 567579 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 136216560 is about 11671.1850298074. The cubic root of 136216560 is about 514.5291325641.

The spelling of 136216560 in words is "one hundred thirty-six million, two hundred sixteen thousand, five hundred sixty".