130033040 has 40 divisors (see below), whose sum is σ = 302947128. Its totient is φ = 51906560.

The previous prime is 130033039. The next prime is 130033061. The reversal of 130033040 is 40330031.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 9560464 + 120472576 = 3092^2 + 10976^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46070 + ... + 48810.

Almost surely, 2^130033040 is an apocalyptic number.

130033040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

130033040 is an abundant number, since it is smaller than the sum of its proper divisors (172914088).

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

130033040 is a wasteful number, since it uses less digits than its factorization.

130033040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3347 (or 3341 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 14.

The square root of 130033040 is about 11403.2030587901. The cubic root of 130033040 is about 506.6226146680.

Adding to 130033040 its reverse (40330031), we get a palindrome (170363071).

The spelling of 130033040 in words is "one hundred thirty million, thirty-three thousand, forty".