130851994752 has 128 divisors (see below), whose sum is σ = 387855000000. Its totient is φ = 43429865472.

The previous prime is 130851994681. The next prime is 130851994753. The reversal of 130851994752 is 257499158031.

It is a happy number.

130851994752 is a `hidden beast` number, since 1 + 3 + 0 + 85 + 1 + 99 + 475 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (128).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (130851994753) 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, 723999 + ... + 886497.

Almost surely, 2^130851994752 is an apocalyptic number.

130851994752 is a gapful number since it is divisible by the number (12) 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 130851994752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (193927500000).

130851994752 is an abundant number, since it is smaller than the sum of its proper divisors (257003005248).

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

130851994752 is a wasteful number, since it uses less digits than its factorization.

130851994752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162755 (or 162737 counting only the distinct ones).

The product of its (nonzero) digits is 2721600, while the sum is 54.

The spelling of 130851994752 in words is "one hundred thirty billion, eight hundred fifty-one million, nine hundred ninety-four thousand, seven hundred fifty-two".