130155433 has 2 divisors, whose sum is σ = 130155434. Its totient is φ = 130155432.

The previous prime is 130155427. The next prime is 130155437. The reversal of 130155433 is 334551031.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 127306089 + 2849344 = 11283^2 + 1688^2 .

It is a cyclic number.

It is not a de Polignac number, because 130155433 - 2⁵ = 130155401 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 130155398 and 130155407.

It is not a weakly prime, because it can be changed into another prime (130155437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65077716 + 65077717.

It is an arithmetic number, because the mean of its divisors is an integer number (65077717).

Almost surely, 2^130155433 is an apocalyptic number.

It is an amenable number.

130155433 is a deficient number, since it is larger than the sum of its proper divisors (1).

130155433 is an equidigital number, since it uses as much as digits as its factorization.

130155433 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2700, while the sum is 25.

The square root of 130155433 is about 11408.5684027401. The cubic root of 130155433 is about 506.7815168907.

The spelling of 130155433 in words is "one hundred thirty million, one hundred fifty-five thousand, four hundred thirty-three".