136418945 has 16 divisors (see below), whose sum is σ = 176541120. Its totient is φ = 100599744.

The previous prime is 136418939. The next prime is 136418951. The reversal of 136418945 is 549814631.

It is an interprime number because it is at equal distance from previous prime (136418939) and next prime (136418951).

It is a cyclic number.

It is not a de Polignac number, because 136418945 - 2²⁰ = 135370369 is a prime.

It is a super-2 number, since 2×136418945² = 37220257109826050, which contains 22 as substring.

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, 81002 + ... + 82668.

It is an arithmetic number, because the mean of its divisors is an integer number (11033820).

Almost surely, 2^136418945 is an apocalyptic number.

It is an amenable number.

136418945 is a deficient number, since it is larger than the sum of its proper divisors (40122175).

136418945 is a wasteful number, since it uses less digits than its factorization.

136418945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2944.

The product of its digits is 103680, while the sum is 41.

The square root of 136418945 is about 11679.8520966663. The cubic root of 136418945 is about 514.7838285885.

The spelling of 136418945 in words is "one hundred thirty-six million, four hundred eighteen thousand, nine hundred forty-five".