465135646 has 4 divisors (see below), whose sum is σ = 697703472. Its totient is φ = 232567822.

The previous prime is 465135613. The next prime is 465135653. The reversal of 465135646 is 646531564.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 465135599 and 465135608.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 116283910 + ... + 116283913.

It is an arithmetic number, because the mean of its divisors is an integer number (174425868).

Almost surely, 2^465135646 is an apocalyptic number.

465135646 is a deficient number, since it is larger than the sum of its proper divisors (232567826).

465135646 is a wasteful number, since it uses less digits than its factorization.

465135646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232567825.

The product of its digits is 259200, while the sum is 40.

The square root of 465135646 is about 21567.0036398198. The cubic root of 465135646 is about 774.8064149164.

The spelling of 465135646 in words is "four hundred sixty-five million, one hundred thirty-five thousand, six hundred forty-six".