131570155 has 32 divisors (see below), whose sum is σ = 172339200. Its totient is φ = 96100992.

The previous prime is 131570149. The next prime is 131570161. The reversal of 131570155 is 551075131.

It is an interprime number because it is at equal distance from previous prime (131570149) and next prime (131570161).

It is a cyclic number.

It is not a de Polignac number, because 131570155 - 2³ = 131570147 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 352549 + ... + 352921.

It is an arithmetic number, because the mean of its divisors is an integer number (5385600).

Almost surely, 2^131570155 is an apocalyptic number.

131570155 is a deficient number, since it is larger than the sum of its proper divisors (40769045).

131570155 is a wasteful number, since it uses less digits than its factorization.

131570155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 523.

The product of its (nonzero) digits is 2625, while the sum is 28.

The square root of 131570155 is about 11470.4034366713. The cubic root of 131570155 is about 508.6110547882.

The spelling of 131570155 in words is "one hundred thirty-one million, five hundred seventy thousand, one hundred fifty-five".