130232091 has 8 divisors (see below), whose sum is σ = 189428544. Its totient is φ = 78928520.

The previous prime is 130232083. The next prime is 130232093. The reversal of 130232091 is 190232031.

It is a happy number.

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

It is not a de Polignac number, because 130232091 - 2³ = 130232083 is a prime.

It is not an unprimeable number, because it can be changed into a prime (130232093) 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, 1973181 + ... + 1973246.

It is an arithmetic number, because the mean of its divisors is an integer number (23678568).

Almost surely, 2^130232091 is an apocalyptic number.

130232091 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

130232091 is a deficient number, since it is larger than the sum of its proper divisors (59196453).

130232091 is a wasteful number, since it uses less digits than its factorization.

130232091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3946441.

The product of its (nonzero) digits is 324, while the sum is 21.

The square root of 130232091 is about 11411.9275760057. The cubic root of 130232091 is about 506.8809908610.

It can be divided in two parts, 130 and 232091, that added together give a triangular number (232221 = T₆₈₁).

The spelling of 130232091 in words is "one hundred thirty million, two hundred thirty-two thousand, ninety-one".