131400091 has 8 divisors (see below), whose sum is σ = 135210384. Its totient is φ = 127639200.

The previous prime is 131400083. The next prime is 131400107. The reversal of 131400091 is 190004131.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 131400091 - 2³ = 131400083 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131400001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6921 + ... + 17626.

It is an arithmetic number, because the mean of its divisors is an integer number (16901298).

Almost surely, 2^131400091 is an apocalyptic number.

131400091 is a deficient number, since it is larger than the sum of its proper divisors (3810293).

131400091 is a wasteful number, since it uses less digits than its factorization.

131400091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24701.

The product of its (nonzero) digits is 108, while the sum is 19.

The square root of 131400091 is about 11462.9878740231. The cubic root of 131400091 is about 508.3918213690.

The spelling of 131400091 in words is "one hundred thirty-one million, four hundred thousand, ninety-one".