131402022 has 16 divisors (see below), whose sum is σ = 269907312. Its totient is φ = 42616800.

The previous prime is 131402021. The next prime is 131402041. The reversal of 131402022 is 220204131.

It is a junction number, because it is equal to n+sod(n) for n = 131401992 and 131402010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131402021) by changing a digit.

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, 295729 + ... + 296172.

It is an arithmetic number, because the mean of its divisors is an integer number (16869207).

Almost surely, 2^131402022 is an apocalyptic number.

131402022 is an abundant number, since it is smaller than the sum of its proper divisors (138505290).

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

131402022 is a wasteful number, since it uses less digits than its factorization.

131402022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 591943.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 131402022 is about 11463.0721013173. The cubic root of 131402022 is about 508.3943117270.

Adding to 131402022 its reverse (220204131), we get a palindrome (351606153).

The spelling of 131402022 in words is "one hundred thirty-one million, four hundred two thousand, twenty-two".