131149593 has 12 divisors (see below), whose sum is σ = 189589140. Its totient is φ = 87363456.

The previous prime is 131149589. The next prime is 131149607. The reversal of 131149593 is 395941131.

131149593 is a `hidden beast` number, since 13 + 11 + 49 + 593 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 116380944 + 14768649 = 10788^2 + 3843^2 .

It is not a de Polignac number, because 131149593 - 2² = 131149589 is a prime.

It is not an unprimeable number, because it can be changed into a prime (131149553) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7813 + ... + 17981.

It is an arithmetic number, because the mean of its divisors is an integer number (15799095).

Almost surely, 2^131149593 is an apocalyptic number.

It is an amenable number.

131149593 is a deficient number, since it is larger than the sum of its proper divisors (58439547).

131149593 is a wasteful number, since it uses less digits than its factorization.

131149593 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11608 (or 11605 counting only the distinct ones).

The product of its digits is 14580, while the sum is 36.

The square root of 131149593 is about 11452.0562782410. The cubic root of 131149593 is about 508.0685538438.

The spelling of 131149593 in words is "one hundred thirty-one million, one hundred forty-nine thousand, five hundred ninety-three".