130464978 has 32 divisors (see below), whose sum is σ = 298581120. Its totient is φ = 37228800.

The previous prime is 130464977. The next prime is 130464979. The reversal of 130464978 is 879464031.

It is an interprime number because it is at equal distance from previous prime (130464977) and next prime (130464979).

It is a super-2 number, since 2×130464978² = 34042220969080968, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (130464977) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45178 + ... + 47978.

It is an arithmetic number, because the mean of its divisors is an integer number (9330660).

Almost surely, 2^130464978 is an apocalyptic number.

130464978 is an abundant number, since it is smaller than the sum of its proper divisors (168116142).

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

130464978 is a wasteful number, since it uses less digits than its factorization.

130464978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3922.

The product of its (nonzero) digits is 145152, while the sum is 42.

The square root of 130464978 is about 11422.1266846415. The cubic root of 130464978 is about 507.1829535523.

The spelling of 130464978 in words is "one hundred thirty million, four hundred sixty-four thousand, nine hundred seventy-eight".