131485153 has 2 divisors, whose sum is σ = 131485154. Its totient is φ = 131485152.

The previous prime is 131485147. The next prime is 131485163. The reversal of 131485153 is 351584131.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 86434209 + 45050944 = 9297^2 + 6712^2 .

It is a cyclic number.

It is not a de Polignac number, because 131485153 - 2⁹ = 131484641 is a prime.

It is not a weakly prime, because it can be changed into another prime (131485163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65742576 + 65742577.

It is an arithmetic number, because the mean of its divisors is an integer number (65742577).

Almost surely, 2^131485153 is an apocalyptic number.

It is an amenable number.

131485153 is a deficient number, since it is larger than the sum of its proper divisors (1).

131485153 is an equidigital number, since it uses as much as digits as its factorization.

131485153 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7200, while the sum is 31.

The square root of 131485153 is about 11466.6975629429. The cubic root of 131485153 is about 508.5015003822.

The spelling of 131485153 in words is "one hundred thirty-one million, four hundred eighty-five thousand, one hundred fifty-three".