136345554 has 24 divisors (see below), whose sum is σ = 295925760. Its totient is φ = 45370008.

The previous prime is 136345523. The next prime is 136345571. The reversal of 136345554 is 455543631.

136345554 is a `hidden beast` number, since 1 + 3 + 63 + 45 + 554 = 666.

It is a super-2 number, since 2×136345554² = 37180220191133832, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4687 + ... + 17165.

It is an arithmetic number, because the mean of its divisors is an integer number (12330240).

Almost surely, 2^136345554 is an apocalyptic number.

136345554 is an abundant number, since it is smaller than the sum of its proper divisors (159580206).

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

136345554 is a wasteful number, since it uses less digits than its factorization.

136345554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13094 (or 13091 counting only the distinct ones).

The product of its digits is 108000, while the sum is 36.

The square root of 136345554 is about 11676.7098961994. The cubic root of 136345554 is about 514.6914971383.

The spelling of 136345554 in words is "one hundred thirty-six million, three hundred forty-five thousand, five hundred fifty-four".