130911237 has 36 divisors (see below), whose sum is σ = 205622820. Its totient is φ = 79979520.

The previous prime is 130911229. The next prime is 130911241. The reversal of 130911237 is 732119031.

It can be written as a sum of positive squares in 6 ways, for example, as 7834401 + 123076836 = 2799^2 + 11094^2 .

It is not a de Polignac number, because 130911237 - 2³ = 130911229 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 130911237.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130911227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 256939 + ... + 257447.

It is an arithmetic number, because the mean of its divisors is an integer number (5711745).

Almost surely, 2^130911237 is an apocalyptic number.

130911237 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

130911237 is a deficient number, since it is larger than the sum of its proper divisors (74711583).

130911237 is a wasteful number, since it uses less digits than its factorization.

130911237 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 614 (or 570 counting only the distinct ones).

The product of its (nonzero) digits is 1134, while the sum is 27.

The square root of 130911237 is about 11441.6448555267. The cubic root of 130911237 is about 507.7605731525.

The spelling of 130911237 in words is "one hundred thirty million, nine hundred eleven thousand, two hundred thirty-seven".