130155793 has 2 divisors, whose sum is σ = 130155794. Its totient is φ = 130155792.

The previous prime is 130155787. The next prime is 130155841. The reversal of 130155793 is 397551031.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 119508624 + 10647169 = 10932^2 + 3263^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-130155793 is a prime.

It is not a weakly prime, because it can be changed into another prime (130158793) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65077896 + 65077897.

It is an arithmetic number, because the mean of its divisors is an integer number (65077897).

Almost surely, 2^130155793 is an apocalyptic number.

It is an amenable number.

130155793 is a deficient number, since it is larger than the sum of its proper divisors (1).

130155793 is an equidigital number, since it uses as much as digits as its factorization.

130155793 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14175, while the sum is 34.

The square root of 130155793 is about 11408.5841803442. The cubic root of 130155793 is about 506.7819841299.

The spelling of 130155793 in words is "one hundred thirty million, one hundred fifty-five thousand, seven hundred ninety-three".