130348781 has 8 divisors (see below), whose sum is σ = 134059200. Its totient is φ = 126669312.

The previous prime is 130348747. The next prime is 130348789. The reversal of 130348781 is 187843031.

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

It is a cyclic number.

It is not a de Polignac number, because 130348781 - 2¹⁸ = 130086637 is a prime.

It is a super-2 number, since 2×130348781² = 33981609416371922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130348789) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 941 + ... + 16173.

It is an arithmetic number, because the mean of its divisors is an integer number (16757400).

Almost surely, 2^130348781 is an apocalyptic number.

It is an amenable number.

130348781 is a deficient number, since it is larger than the sum of its proper divisors (3710419).

130348781 is a wasteful number, since it uses less digits than its factorization.

130348781 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15475.

The product of its (nonzero) digits is 16128, while the sum is 35.

The square root of 130348781 is about 11417.0390644860. The cubic root of 130348781 is about 507.0323367782.

The spelling of 130348781 in words is "one hundred thirty million, three hundred forty-eight thousand, seven hundred eighty-one".