131958897 has 16 divisors (see below), whose sum is σ = 203156352. Its totient is φ = 74626560.

The previous prime is 131958881. The next prime is 131958899. The reversal of 131958897 is 798859131.

It is not a de Polignac number, because 131958897 - 2⁴ = 131958881 is a prime.

It is not an unprimeable number, because it can be changed into a prime (131958899) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30354 + ... + 34427.

It is an arithmetic number, because the mean of its divisors is an integer number (12697272).

Almost surely, 2^131958897 is an apocalyptic number.

It is an amenable number.

131958897 is a deficient number, since it is larger than the sum of its proper divisors (71197455).

131958897 is an equidigital number, since it uses as much as digits as its factorization.

131958897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64888.

The product of its digits is 544320, while the sum is 51.

The square root of 131958897 is about 11487.3363753309. The cubic root of 131958897 is about 509.1114825357. Note that the first 3 decimals are identical.

The spelling of 131958897 in words is "one hundred thirty-one million, nine hundred fifty-eight thousand, eight hundred ninety-seven".