130440001251 has 16 divisors (see below), whose sum is σ = 199539131904. Its totient is φ = 74247112704.

The previous prime is 130440001249. The next prime is 130440001283. The reversal of 130440001251 is 152100044031.

It is not a de Polignac number, because 130440001251 - 2¹ = 130440001249 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (130440009251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12079095 + ... + 12089888.

It is an arithmetic number, because the mean of its divisors is an integer number (12471195744).

Almost surely, 2^130440001251 is an apocalyptic number.

130440001251 is a deficient number, since it is larger than the sum of its proper divisors (69099130653).

130440001251 is a wasteful number, since it uses less digits than its factorization.

130440001251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24169250.

The product of its (nonzero) digits is 480, while the sum is 21.

Adding to 130440001251 its reverse (152100044031), we get a palindrome (282540045282).

The spelling of 130440001251 in words is "one hundred thirty billion, four hundred forty million, one thousand, two hundred fifty-one".