136165872 has 20 divisors (see below), whose sum is σ = 351761960. Its totient is φ = 45388608.

The previous prime is 136165871. The next prime is 136165873. The reversal of 136165872 is 278561631.

136165872 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (136165871) and next prime (136165873).

It is a super-2 number, since 2×136165872² = 37082289395040768, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 136165872.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136165871) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1418347 + ... + 1418442.

It is an arithmetic number, because the mean of its divisors is an integer number (17588098).

Almost surely, 2^136165872 is an apocalyptic number.

136165872 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

136165872 is an abundant number, since it is smaller than the sum of its proper divisors (215596088).

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

136165872 is a wasteful number, since it uses less digits than its factorization.

136165872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2836800 (or 2836794 counting only the distinct ones).

The product of its digits is 60480, while the sum is 39.

The square root of 136165872 is about 11669.0133258986. The cubic root of 136165872 is about 514.4653035938.

The spelling of 136165872 in words is "one hundred thirty-six million, one hundred sixty-five thousand, eight hundred seventy-two".