130444587 has 96 divisors (see below), whose sum is σ = 255370752. Its totient is φ = 64571904.

The previous prime is 130444579. The next prime is 130444591. The reversal of 130444587 is 785444031.

130444587 is a `hidden beast` number, since 1 + 30 + 4 + 44 + 587 = 666.

It is not a de Polignac number, because 130444587 - 2³ = 130444579 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (130444507) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 375748 + ... + 376094.

It is an arithmetic number, because the mean of its divisors is an integer number (2660112).

Almost surely, 2^130444587 is an apocalyptic number.

130444587 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

130444587 is a deficient number, since it is larger than the sum of its proper divisors (124926165).

130444587 is a wasteful number, since it uses less digits than its factorization.

130444587 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 399 (or 387 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 36.

The square root of 130444587 is about 11421.2340401552. The cubic root of 130444587 is about 507.1565288197.

The spelling of 130444587 in words is "one hundred thirty million, four hundred forty-four thousand, five hundred eighty-seven".