1046135808 has 66 divisors (see below), whose sum is σ = 3020721054. Its totient is φ = 348708864.

The previous prime is 1046135803. The next prime is 1046135813. The reversal of 1046135808 is 8085316401.

1046135808 is a `hidden beast` number, since 10 + 4 + 61 + 3 + 580 + 8 = 666.

It is an interprime number because it is at equal distance from previous prime (1046135803) and next prime (1046135813).

It can be written as a sum of positive squares in only one way, i.e., 991494144 + 54641664 = 31488^2 + 7392^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (1046135803) 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, 47541 + ... + 65972.

Almost surely, 2^1046135808 is an apocalyptic number.

1046135808 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1046135808 is an abundant number, since it is smaller than the sum of its proper divisors (1974585246).

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

1046135808 is a wasteful number, since it uses less digits than its factorization.

1046135808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113539 (or 113518 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 36.

The square root of 1046135808 is about 32344.0227553717. The cubic root of 1046135808 is about 1015.1479826623.

The spelling of 1046135808 in words is "one billion, forty-six million, one hundred thirty-five thousand, eight hundred eight".