131214493 has 4 divisors (see below), whose sum is σ = 131237568. Its totient is φ = 131191420.

The previous prime is 131214487. The next prime is 131214509. The reversal of 131214493 is 394412131.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 131214493 - 2²⁵ = 97660061 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131214403) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3708 + ... + 16618.

It is an arithmetic number, because the mean of its divisors is an integer number (32809392).

Almost surely, 2^131214493 is an apocalyptic number.

It is an amenable number.

131214493 is a deficient number, since it is larger than the sum of its proper divisors (23075).

131214493 is a wasteful number, since it uses less digits than its factorization.

131214493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23074.

The product of its digits is 2592, while the sum is 28.

The square root of 131214493 is about 11454.8894800430. The cubic root of 131214493 is about 508.1523467372.

The spelling of 131214493 in words is "one hundred thirty-one million, two hundred fourteen thousand, four hundred ninety-three".