130457478 has 8 divisors (see below), whose sum is σ = 260914968. Its totient is φ = 43485824.

The previous prime is 130457471. The next prime is 130457479. The reversal of 130457478 is 874754031.

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

130457478 is an admirable number.

It is a super-2 number, since 2×130457478² = 34038307132240968, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130457471) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10871451 + ... + 10871462.

It is an arithmetic number, because the mean of its divisors is an integer number (32614371).

Almost surely, 2^130457478 is an apocalyptic number.

130457478 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

130457478 is a wasteful number, since it uses less digits than its factorization.

130457478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21742918.

The product of its (nonzero) digits is 94080, while the sum is 39.

The square root of 130457478 is about 11421.7983697840. The cubic root of 130457478 is about 507.1732346093.

The spelling of 130457478 in words is "one hundred thirty million, four hundred fifty-seven thousand, four hundred seventy-eight".