465895138 has 4 divisors (see below), whose sum is σ = 698842710. Its totient is φ = 232947568.

The previous prime is 465895127. The next prime is 465895141. The reversal of 465895138 is 831598564.

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

It can be written as a sum of positive squares in only one way, i.e., 462981289 + 2913849 = 21517^2 + 1707^2 .

It is a super-2 number, since 2×465895138² = 434116559224078088, which contains 22 as substring.

It is a Smith number, since the sum of its digits (49) 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 = 465895091 and 465895100.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 116473783 + ... + 116473786.

Almost surely, 2^465895138 is an apocalyptic number.

465895138 is a deficient number, since it is larger than the sum of its proper divisors (232947572).

465895138 is a wasteful number, since it uses less digits than its factorization.

465895138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232947571.

The product of its digits is 1036800, while the sum is 49.

The square root of 465895138 is about 21584.6041890974. The cubic root of 465895138 is about 775.2278971817.

It can be divided in two parts, 46 and 5895138, that added together give a square (5895184 = 2428²).

The spelling of 465895138 in words is "four hundred sixty-five million, eight hundred ninety-five thousand, one hundred thirty-eight".