131897962 has 32 divisors (see below), whose sum is σ = 248371200. Its totient is φ = 51221808.

The previous prime is 131897959. The next prime is 131897971. The reversal of 131897962 is 269798131.

It is a happy number.

It is a Smith number, since the sum of its digits (46) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4662 + ... + 16897.

It is an arithmetic number, because the mean of its divisors is an integer number (7761600).

Almost surely, 2^131897962 is an apocalyptic number.

131897962 is a deficient number, since it is larger than the sum of its proper divisors (116473238).

131897962 is a wasteful number, since it uses less digits than its factorization.

131897962 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21610.

The product of its digits is 163296, while the sum is 46.

The square root of 131897962 is about 11484.6838006103. The cubic root of 131897962 is about 509.0331058966.

The spelling of 131897962 in words is "one hundred thirty-one million, eight hundred ninety-seven thousand, nine hundred sixty-two".