130938551 has 4 divisors (see below), whose sum is σ = 131159952. Its totient is φ = 130717152.

The previous prime is 130938541. The next prime is 130938581. The reversal of 130938551 is 155839031.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-130938551 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130938541) 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, 109811 + ... + 110996.

It is an arithmetic number, because the mean of its divisors is an integer number (32789988).

Almost surely, 2^130938551 is an apocalyptic number.

130938551 is a deficient number, since it is larger than the sum of its proper divisors (221401).

130938551 is an equidigital number, since it uses as much as digits as its factorization.

130938551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221400.

The product of its (nonzero) digits is 16200, while the sum is 35.

The square root of 130938551 is about 11442.8384153583. The cubic root of 130938551 is about 507.7958846306.

The spelling of 130938551 in words is "one hundred thirty million, nine hundred thirty-eight thousand, five hundred fifty-one".