131514487 has 4 divisors (see below), whose sum is σ = 141631000. Its totient is φ = 121397976.

The previous prime is 131514479. The next prime is 131514491. The reversal of 131514487 is 784415131.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 784415131 = 5581 ⋅140551.

It is a cyclic number.

It is not a de Polignac number, because 131514487 - 2³ = 131514479 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 (131514407) 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, 5058237 + ... + 5058262.

It is an arithmetic number, because the mean of its divisors is an integer number (35407750).

Almost surely, 2^131514487 is an apocalyptic number.

131514487 is a deficient number, since it is larger than the sum of its proper divisors (10116513).

131514487 is a wasteful number, since it uses less digits than its factorization.

131514487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10116512.

The product of its digits is 13440, while the sum is 34.

The square root of 131514487 is about 11467.9765870009. The cubic root of 131514487 is about 508.5393126967.

The spelling of 131514487 in words is "one hundred thirty-one million, five hundred fourteen thousand, four hundred eighty-seven".