131400022 has 16 divisors (see below), whose sum is σ = 212631552. Its totient is φ = 60540480.

The previous prime is 131400019. The next prime is 131400037. The reversal of 131400022 is 220004131.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a junction number, because it is equal to n+sod(n) for n = 131399975 and 131400011.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11947 + ... + 20137.

It is an arithmetic number, because the mean of its divisors is an integer number (13289472).

Almost surely, 2^131400022 is an apocalyptic number.

131400022 is a deficient number, since it is larger than the sum of its proper divisors (81231530).

131400022 is a wasteful number, since it uses less digits than its factorization.

131400022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8823.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 131400022 is about 11462.9848643362. The cubic root of 131400022 is about 508.3917323811.

Adding to 131400022 its reverse (220004131), we get a palindrome (351404153).

The spelling of 131400022 in words is "one hundred thirty-one million, four hundred thousand, twenty-two".