131121414 has 24 divisors (see below), whose sum is σ = 291776160. Its totient is φ = 42525648.

The previous prime is 131121409. The next prime is 131121433. The reversal of 131121414 is 414121131.

131121414 is a `hidden beast` number, since 131 + 121 + 414 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 97774 + ... + 99105.

It is an arithmetic number, because the mean of its divisors is an integer number (12157340).

Almost surely, 2^131121414 is an apocalyptic number.

131121414 is an abundant number, since it is smaller than the sum of its proper divisors (160654746).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

131121414 is a wasteful number, since it uses less digits than its factorization.

131121414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196924 (or 196921 counting only the distinct ones).

The product of its digits is 96, while the sum is 18.

The square root of 131121414 is about 11450.8259090775. The cubic root of 131121414 is about 508.0321631113.

Adding to 131121414 its reverse (414121131), we get a palindrome (545242545).

The spelling of 131121414 in words is "one hundred thirty-one million, one hundred twenty-one thousand, four hundred fourteen".