131400422 has 8 divisors (see below), whose sum is σ = 197271072. Its totient is φ = 65643400.

The previous prime is 131400397. The next prime is 131400433. The reversal of 131400422 is 224004131.

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

It is a self number, because there is not a number n which added to its sum of digits gives 131400422.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25454 + ... + 30177.

It is an arithmetic number, because the mean of its divisors is an integer number (24658884).

Almost surely, 2^131400422 is an apocalyptic number.

131400422 is a deficient number, since it is larger than the sum of its proper divisors (65870650).

131400422 is a wasteful number, since it uses less digits than its factorization.

131400422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56814.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 131400422 is about 11463.0023117855. The cubic root of 131400422 is about 508.3922482524.

Adding to 131400422 its reverse (224004131), we get a palindrome (355404553).

The spelling of 131400422 in words is "one hundred thirty-one million, four hundred thousand, four hundred twenty-two".