131450837 has 4 divisors (see below), whose sum is σ = 150229536. Its totient is φ = 112672140.

The previous prime is 131450833. The next prime is 131450849. The reversal of 131450837 is 738054131.

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 an emirpimes, since its reverse is a distinct semiprime: 738054131 = 131 ⋅5634001.

It is not a de Polignac number, because 131450837 - 2² = 131450833 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 (131450833) 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, 9389339 + ... + 9389352.

It is an arithmetic number, because the mean of its divisors is an integer number (37557384).

Almost surely, 2^131450837 is an apocalyptic number.

It is an amenable number.

131450837 is a deficient number, since it is larger than the sum of its proper divisors (18778699).

131450837 is an equidigital number, since it uses as much as digits as its factorization.

131450837 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18778698.

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 131450837 is about 11465.2011321215. The cubic root of 131450837 is about 508.4572589973.

The spelling of 131450837 in words is "one hundred thirty-one million, four hundred fifty thousand, eight hundred thirty-seven".