130398945 has 8 divisors (see below), whose sum is σ = 208638336. Its totient is φ = 69546096.

The previous prime is 130398941. The next prime is 130398971. The reversal of 130398945 is 549893031.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 130398945 - 2² = 130398941 is a prime.

It is a super-2 number, since 2×130398945² = 34007769714226050, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 130398897 and 130398906.

It is not an unprimeable number, because it can be changed into a prime (130398941) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4346617 + ... + 4346646.

It is an arithmetic number, because the mean of its divisors is an integer number (26079792).

Almost surely, 2^130398945 is an apocalyptic number.

130398945 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

130398945 is a deficient number, since it is larger than the sum of its proper divisors (78239391).

130398945 is an equidigital number, since it uses as much as digits as its factorization.

130398945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8693271.

The product of its (nonzero) digits is 116640, while the sum is 42.

The square root of 130398945 is about 11419.2357450050. The cubic root of 130398945 is about 507.0973712901.

The spelling of 130398945 in words is "one hundred thirty million, three hundred ninety-eight thousand, nine hundred forty-five".