130666635 has 32 divisors (see below), whose sum is σ = 253416960. Its totient is φ = 63352800.

The previous prime is 130666621. The next prime is 130666661. The reversal of 130666635 is 536666031.

It is a happy number.

It is not a de Polignac number, because 130666635 - 2⁴ = 130666619 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 130666635.

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, 42511 + ... + 45480.

It is an arithmetic number, because the mean of its divisors is an integer number (7919280).

Almost surely, 2^130666635 is an apocalyptic number.

130666635 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

130666635 is a deficient number, since it is larger than the sum of its proper divisors (122750325).

130666635 is a wasteful number, since it uses less digits than its factorization.

130666635 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88016 (or 88010 counting only the distinct ones).

The product of its (nonzero) digits is 58320, while the sum is 36.

The square root of 130666635 is about 11430.9507478600. The cubic root of 130666635 is about 507.4441330755. Note that the first 3 decimals are identical.

It can be divided in two parts, 13066 and 6635, that added together give a triangular number (19701 = T₁₉₈).

The spelling of 130666635 in words is "one hundred thirty million, six hundred sixty-six thousand, six hundred thirty-five".