130921490 has 16 divisors (see below), whose sum is σ = 269324352. Its totient is φ = 44887344.

The previous prime is 130921477. The next prime is 130921507. The reversal of 130921490 is 94129031.

It is a happy number.

It is a super-3 number, since 3×130921490³ (a number of 25 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 935084 + ... + 935223.

It is an arithmetic number, because the mean of its divisors is an integer number (16832772).

Almost surely, 2^130921490 is an apocalyptic number.

130921490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

130921490 is an abundant number, since it is smaller than the sum of its proper divisors (138402862).

130921490 is a wasteful number, since it uses less digits than its factorization.

130921490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1870321.

The product of its (nonzero) digits is 1944, while the sum is 29.

The square root of 130921490 is about 11442.0929029614. The cubic root of 130921490 is about 507.7738287838.

The spelling of 130921490 in words is "one hundred thirty million, nine hundred twenty-one thousand, four hundred ninety".