130635645 has 16 divisors (see below), whose sum is σ = 238876800. Its totient is φ = 59719104.

The previous prime is 130635577. The next prime is 130635649. The reversal of 130635645 is 546536031.

It is not a de Polignac number, because 130635645 - 2¹⁵ = 130602877 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130635649) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 621970 + ... + 622179.

It is an arithmetic number, because the mean of its divisors is an integer number (14929800).

Almost surely, 2^130635645 is an apocalyptic number.

130635645 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

130635645 is a deficient number, since it is larger than the sum of its proper divisors (108241155).

130635645 is a wasteful number, since it uses less digits than its factorization.

130635645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1244164.

The product of its (nonzero) digits is 32400, while the sum is 33.

The square root of 130635645 is about 11429.5951371866. The cubic root of 130635645 is about 507.4040133284.

The spelling of 130635645 in words is "one hundred thirty million, six hundred thirty-five thousand, six hundred forty-five".