155130271 has 2 divisors, whose sum is σ = 155130272. Its totient is φ = 155130270.

The previous prime is 155130263. The next prime is 155130277. The reversal of 155130271 is 172031551.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 155130271 - 2³ = 155130263 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (155130277) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77565135 + 77565136.

It is an arithmetic number, because the mean of its divisors is an integer number (77565136).

Almost surely, 2^155130271 is an apocalyptic number.

155130271 is a deficient number, since it is larger than the sum of its proper divisors (1).

155130271 is an equidigital number, since it uses as much as digits as its factorization.

155130271 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1050, while the sum is 25.

The square root of 155130271 is about 12455.1303084311. The cubic root of 155130271 is about 537.3189825634.

The spelling of 155130271 in words is "one hundred fifty-five million, one hundred thirty thousand, two hundred seventy-one".