130155432 has 32 divisors (see below), whose sum is σ = 354970080. Its totient is φ = 39440960.

The previous prime is 130155427. The next prime is 130155433. The reversal of 130155432 is 234551031.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (130155433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 246243 + ... + 246770.

It is an arithmetic number, because the mean of its divisors is an integer number (11092815).

Almost surely, 2^130155432 is an apocalyptic number.

130155432 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

130155432 is an abundant number, since it is smaller than the sum of its proper divisors (224814648).

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

130155432 is a wasteful number, since it uses less digits than its factorization.

130155432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 493033 (or 493029 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 130155432 is about 11408.5683589134. The cubic root of 130155432 is about 506.7815155928.

The spelling of 130155432 in words is "one hundred thirty million, one hundred fifty-five thousand, four hundred thirty-two".