131351145 has 16 divisors (see below), whose sum is σ = 210485952. Its totient is φ = 69945920.

The previous prime is 131351131. The next prime is 131351149. The reversal of 131351145 is 541153131.

It is not a de Polignac number, because 131351145 - 2⁵ = 131351113 is a prime.

It is a super-2 number, since 2×131351145² = 34506246585622050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (131351149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3835 + ... + 16655.

It is an arithmetic number, because the mean of its divisors is an integer number (13155372).

Almost surely, 2^131351145 is an apocalyptic number.

131351145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

131351145 is a deficient number, since it is larger than the sum of its proper divisors (79134807).

131351145 is a wasteful number, since it uses less digits than its factorization.

131351145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13512.

The product of its digits is 900, while the sum is 24.

The square root of 131351145 is about 11460.8527169666. The cubic root of 131351145 is about 508.3286889002.

The spelling of 131351145 in words is "one hundred thirty-one million, three hundred fifty-one thousand, one hundred forty-five".