136453660 has 48 divisors (see below), whose sum is σ = 331462656. Its totient is φ = 46216512.

The previous prime is 136453651. The next prime is 136453673. The reversal of 136453660 is 66354631.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5749 + ... + 17491.

It is an arithmetic number, because the mean of its divisors is an integer number (6905472).

Almost surely, 2^136453660 is an apocalyptic number.

136453660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 136453660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (165731328).

136453660 is an abundant number, since it is smaller than the sum of its proper divisors (195008996).

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

136453660 is a wasteful number, since it uses less digits than its factorization.

136453660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11842 (or 11840 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 34.

The square root of 136453660 is about 11681.3381082819. The cubic root of 136453660 is about 514.8274911578.

The spelling of 136453660 in words is "one hundred thirty-six million, four hundred fifty-three thousand, six hundred sixty".