130821498 has 24 divisors (see below), whose sum is σ = 298365600. Its totient is φ = 41311944.

The previous prime is 130821497. The next prime is 130821499. The reversal of 130821498 is 894128031.

It is an interprime number because it is at equal distance from previous prime (130821497) and next prime (130821499).

It is a super-2 number, since 2×130821498² = 34228528677928008, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (130821491) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 190918 + ... + 191601.

It is an arithmetic number, because the mean of its divisors is an integer number (12431900).

Almost surely, 2^130821498 is an apocalyptic number.

130821498 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

130821498 is an abundant number, since it is smaller than the sum of its proper divisors (167544102).

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

130821498 is a wasteful number, since it uses less digits than its factorization.

130821498 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 382546 (or 382543 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 36.

The square root of 130821498 is about 11437.7225879980. The cubic root of 130821498 is about 507.6445241847.

The spelling of 130821498 in words is "one hundred thirty million, eight hundred twenty-one thousand, four hundred ninety-eight".