130251776 has 44 divisors (see below), whose sum is σ = 261852240. Its totient is φ = 64757760.

The previous prime is 130251769. The next prime is 130251827. The reversal of 130251776 is 677152031.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 318260 + ... + 318668.

Almost surely, 2^130251776 is an apocalyptic number.

130251776 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 130251776, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (130926120).

130251776 is an abundant number, since it is smaller than the sum of its proper divisors (131600464).

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

130251776 is an equidigital number, since it uses as much as digits as its factorization.

130251776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 740 (or 722 counting only the distinct ones).

The product of its (nonzero) digits is 8820, while the sum is 32.

The square root of 130251776 is about 11412.7900182208. The cubic root of 130251776 is about 506.9065284725.

The spelling of 130251776 in words is "one hundred thirty million, two hundred fifty-one thousand, seven hundred seventy-six".