130251433 has 24 divisors (see below), whose sum is σ = 153197912. Its totient is φ = 109983744.

The previous prime is 130251389. The next prime is 130251449. The reversal of 130251433 is 334152031.

It can be written as a sum of positive squares in 12 ways, for example, as 14645929 + 115605504 = 3827^2 + 10752^2 .

It is not a de Polignac number, because 130251433 - 2¹³ = 130243241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (130251463) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 138541 + ... + 139477.

Almost surely, 2^130251433 is an apocalyptic number.

130251433 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

130251433 is a deficient number, since it is larger than the sum of its proper divisors (22946479).

130251433 is a wasteful number, since it uses less digits than its factorization.

130251433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1021 (or 1004 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 22.

The square root of 130251433 is about 11412.7749912105. The cubic root of 130251433 is about 506.9060835160.

The spelling of 130251433 in words is "one hundred thirty million, two hundred fifty-one thousand, four hundred thirty-three".