136453404 has 24 divisors (see below), whose sum is σ = 320236560. Its totient is φ = 45220864.

The previous prime is 136453403. The next prime is 136453423. The reversal of 136453404 is 404354631.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136453403) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30789 + ... + 34940.

It is an arithmetic number, because the mean of its divisors is an integer number (13343190).

Almost surely, 2^136453404 is an apocalyptic number.

It is an amenable number.

136453404 is an abundant number, since it is smaller than the sum of its proper divisors (183783156).

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

136453404 is a wasteful number, since it uses less digits than its factorization.

136453404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65909 (or 65907 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 30.

The square root of 136453404 is about 11681.3271506280. The cubic root of 136453404 is about 514.8271692026.

The spelling of 136453404 in words is "one hundred thirty-six million, four hundred fifty-three thousand, four hundred four".