131361121 has 8 divisors (see below), whose sum is σ = 135209600. Its totient is φ = 127567440.

The previous prime is 131361067. The next prime is 131361127. The reversal of 131361121 is 121163131.

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 131361121 - 2⁷ = 131360993 is a prime.

It is a super-2 number, since 2×131361121² = 34511488220753282, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131361127) 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, 8811 + ... + 18448.

It is an arithmetic number, because the mean of its divisors is an integer number (16901200).

Almost surely, 2^131361121 is an apocalyptic number.

It is an amenable number.

131361121 is a deficient number, since it is larger than the sum of its proper divisors (3848479).

131361121 is an equidigital number, since it uses as much as digits as its factorization.

131361121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27399.

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

The square root of 131361121 is about 11461.2879293734. The cubic root of 131361121 is about 508.3415576083.

The spelling of 131361121 in words is "one hundred thirty-one million, three hundred sixty-one thousand, one hundred twenty-one".