130415638 has 8 divisors (see below), whose sum is σ = 197031240. Its totient is φ = 64738560.

The previous prime is 130415617. The next prime is 130415657. The reversal of 130415638 is 836514031.

It is a sphenic number, since it is the product of 3 distinct primes.

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, 234283 + ... + 234838.

It is an arithmetic number, because the mean of its divisors is an integer number (24628905).

Almost surely, 2^130415638 is an apocalyptic number.

130415638 is a deficient number, since it is larger than the sum of its proper divisors (66615602).

130415638 is a wasteful number, since it uses less digits than its factorization.

130415638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 469262.

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 130415638 is about 11419.9666374294. The cubic root of 130415638 is about 507.1190090296.

Adding to 130415638 its reverse (836514031), we get a palindrome (966929669).

The spelling of 130415638 in words is "one hundred thirty million, four hundred fifteen thousand, six hundred thirty-eight".