130234837 has 4 divisors (see below), whose sum is σ = 130546080. Its totient is φ = 129923596.

The previous prime is 130234823. The next prime is 130234859. The reversal of 130234837 is 738432031.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-130234837 is a prime.

It is a super-2 number, since 2×130234837² = 33922225536833138, which contains 22 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 130234799 and 130234808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130234877) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 154993 + ... + 155830.

It is an arithmetic number, because the mean of its divisors is an integer number (32636520).

Almost surely, 2^130234837 is an apocalyptic number.

It is an amenable number.

130234837 is a deficient number, since it is larger than the sum of its proper divisors (311243).

130234837 is an equidigital number, since it uses as much as digits as its factorization.

130234837 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 311242.

The product of its (nonzero) digits is 12096, while the sum is 31.

The square root of 130234837 is about 11412.0478880874. The cubic root of 130234837 is about 506.8845534377.

Adding to 130234837 its reverse (738432031), we get a palindrome (868666868).

The spelling of 130234837 in words is "one hundred thirty million, two hundred thirty-four thousand, eight hundred thirty-seven".