131410945 has 16 divisors (see below), whose sum is σ = 163049040. Its totient is φ = 101606400.

The previous prime is 131410943. The next prime is 131410987. The reversal of 131410945 is 549014131.

It can be written as a sum of positive squares in 8 ways, for example, as 628849 + 130782096 = 793^2 + 11436^2 .

It is not a de Polignac number, because 131410945 - 2¹ = 131410943 is a prime.

It is not an unprimeable number, because it can be changed into a prime (131410943) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19405 + ... + 25285.

It is an arithmetic number, because the mean of its divisors is an integer number (10190565).

Almost surely, 2^131410945 is an apocalyptic number.

It is an amenable number.

131410945 is a deficient number, since it is larger than the sum of its proper divisors (31638095).

131410945 is a wasteful number, since it uses less digits than its factorization.

131410945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6036.

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 131410945 is about 11463.4613010207. The cubic root of 131410945 is about 508.4058191596.

It can be divided in two parts, 131410 and 945, that added together give a triangular number (132355 = T₅₁₄).

The spelling of 131410945 in words is "one hundred thirty-one million, four hundred ten thousand, nine hundred forty-five".