133515130 has 64 divisors (see below), whose sum is σ = 287712000. Its totient is φ = 43642368.

The previous prime is 133515097. The next prime is 133515143. The reversal of 133515130 is 31515331.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 180301 + ... + 181039.

It is an arithmetic number, because the mean of its divisors is an integer number (4495500).

Almost surely, 2^133515130 is an apocalyptic number.

133515130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

133515130 is an abundant number, since it is smaller than the sum of its proper divisors (154196870).

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

133515130 is a wasteful number, since it uses less digits than its factorization.

133515130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 871.

The product of its (nonzero) digits is 675, while the sum is 22.

The square root of 133515130 is about 11554.8747288753. The cubic root of 133515130 is about 511.1050369824.

It can be divided in two parts, 13351 and 5130, that added together give a palindrome (18481).

The spelling of 133515130 in words is "one hundred thirty-three million, five hundred fifteen thousand, one hundred thirty".