130415540 has 12 divisors (see below), whose sum is σ = 273872676. Its totient is φ = 52166208.

The previous prime is 130415539. The next prime is 130415561. The reversal of 130415540 is 45514031.

It can be written as a sum of positive squares in 2 ways, for example, as 94750756 + 35664784 = 9734^2 + 5972^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3260369 + ... + 3260408.

It is an arithmetic number, because the mean of its divisors is an integer number (22822723).

Almost surely, 2^130415540 is an apocalyptic number.

130415540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

130415540 is an abundant number, since it is smaller than the sum of its proper divisors (143457136).

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

130415540 is a wasteful number, since it uses less digits than its factorization.

130415540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6520786 (or 6520784 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 130415540 is about 11419.9623466980. The cubic root of 130415540 is about 507.1188820058.

Adding to 130415540 its reverse (45514031), we get a palindrome (175929571).

It can be divided in two parts, 13041 and 5540, that added together give a palindrome (18581).

The spelling of 130415540 in words is "one hundred thirty million, four hundred fifteen thousand, five hundred forty".