465168136 has 24 divisors (see below), whose sum is σ = 885470670. Its totient is φ = 229094976.

The previous prime is 465168131. The next prime is 465168167. The reversal of 465168136 is 631861564.

It can be written as a sum of positive squares in only one way, i.e., 453945636 + 11222500 = 21306^2 + 3350^2 .

It is not an unprimeable number, because it can be changed into a prime (465168131) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 29436 + ... + 42388.

Almost surely, 2^465168136 is an apocalyptic number.

It is an amenable number.

465168136 is a deficient number, since it is larger than the sum of its proper divisors (420302534).

465168136 is a wasteful number, since it uses less digits than its factorization.

465168136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13093 (or 13022 counting only the distinct ones).

The product of its digits is 103680, while the sum is 40.

The square root of 465168136 is about 21567.7568606473. The cubic root of 465168136 is about 774.8244547251.

The spelling of 465168136 in words is "four hundred sixty-five million, one hundred sixty-eight thousand, one hundred thirty-six".