130433749 has 8 divisors (see below), whose sum is σ = 134719200. Its totient is φ = 126205296.

The previous prime is 130433729. The next prime is 130433761. The reversal of 130433749 is 947334031.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 130433749 - 2⁵ = 130433717 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 (130433729) 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, 9574 + ... + 18775.

It is an arithmetic number, because the mean of its divisors is an integer number (16839900).

Almost surely, 2^130433749 is an apocalyptic number.

It is an amenable number.

130433749 is a deficient number, since it is larger than the sum of its proper divisors (4285451).

130433749 is a wasteful number, since it uses less digits than its factorization.

130433749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28499.

The product of its (nonzero) digits is 27216, while the sum is 34.

The square root of 130433749 is about 11420.7595631814. The cubic root of 130433749 is about 507.1424827157.

It can be divided in two parts, 1304 and 33749, that added together give a palindrome (35053).

The spelling of 130433749 in words is "one hundred thirty million, four hundred thirty-three thousand, seven hundred forty-nine".