130391736 has 32 divisors (see below), whose sum is σ = 326455440. Its totient is φ = 43400448.

The previous prime is 130391719. The next prime is 130391753. The reversal of 130391736 is 637193031.

It is an interprime number because it is at equal distance from previous prime (130391719) and next prime (130391753).

It is a junction number, because it is equal to n+sod(n) for n = 130391697 and 130391706.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14580 + ... + 21756.

Almost surely, 2^130391736 is an apocalyptic number.

It is an amenable number.

130391736 is an abundant number, since it is smaller than the sum of its proper divisors (196063704).

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

130391736 is a wasteful number, since it uses less digits than its factorization.

130391736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7943 (or 7939 counting only the distinct ones).

The product of its (nonzero) digits is 10206, while the sum is 33.

The square root of 130391736 is about 11418.9200890452. The cubic root of 130391736 is about 507.0880262954.

It can be divided in two parts, 1303 and 91736, that added together give a palindrome (93039).

The spelling of 130391736 in words is "one hundred thirty million, three hundred ninety-one thousand, seven hundred thirty-six".