131590045 has 4 divisors (see below), whose sum is σ = 157908060. Its totient is φ = 105272032.

The previous prime is 131590037. The next prime is 131590057. The reversal of 131590045 is 540095131.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 27815076 + 103774969 = 5274^2 + 10187^2 .

It is a cyclic number.

It is not a de Polignac number, because 131590045 - 2³ = 131590037 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 131589995 and 131590022.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13159000 + ... + 13159009.

It is an arithmetic number, because the mean of its divisors is an integer number (39477015).

Almost surely, 2^131590045 is an apocalyptic number.

It is an amenable number.

131590045 is a deficient number, since it is larger than the sum of its proper divisors (26318015).

131590045 is an equidigital number, since it uses as much as digits as its factorization.

131590045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26318014.

The product of its (nonzero) digits is 2700, while the sum is 28.

The square root of 131590045 is about 11471.2704178744. The cubic root of 131590045 is about 508.6366831033.

The spelling of 131590045 in words is "one hundred thirty-one million, five hundred ninety thousand, forty-five".