130836864 has 128 divisors (see below), whose sum is σ = 372096000. Its totient is φ = 40642560.

The previous prime is 130836859. The next prime is 130836899. The reversal of 130836864 is 468638031.

It is a tau number, because it is divible by the number of its divisors (128).

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 345027 + ... + 345405.

It is an arithmetic number, because the mean of its divisors is an integer number (2907000).

Almost surely, 2^130836864 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 130836864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (186048000).

130836864 is an abundant number, since it is smaller than the sum of its proper divisors (241259136).

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

130836864 is a wasteful number, since it uses less digits than its factorization.

130836864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 456 (or 444 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 39.

The square root of 130836864 is about 11438.3942929067. The cubic root of 130836864 is about 507.6643990027.

The spelling of 130836864 in words is "one hundred thirty million, eight hundred thirty-six thousand, eight hundred sixty-four".