130021552 has 40 divisors (see below), whose sum is σ = 264286656. Its totient is φ = 61894656.

The previous prime is 130021547. The next prime is 130021571. The reversal of 130021552 is 255120031.

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, 25488 + ... + 30160.

Almost surely, 2^130021552 is an apocalyptic number.

It is an amenable number.

130021552 is an abundant number, since it is smaller than the sum of its proper divisors (134265104).

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

130021552 is a wasteful number, since it uses less digits than its factorization.

130021552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4765 (or 4759 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 19.

The square root of 130021552 is about 11402.6993295447. The cubic root of 130021552 is about 506.6076947369.

Adding to 130021552 its reverse (255120031), we get a palindrome (385141583).

The spelling of 130021552 in words is "one hundred thirty million, twenty-one thousand, five hundred fifty-two".