131402118 has 16 divisors (see below), whose sum is σ = 271282176. Its totient is φ = 42387720.

The previous prime is 131402107. The next prime is 131402137. The reversal of 131402118 is 811204131.

It is a happy number.

It is a super-2 number, since 2×131402118² = 34533033229771848, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 131402094 and 131402103.

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, 353046 + ... + 353417.

It is an arithmetic number, because the mean of its divisors is an integer number (16955136).

Almost surely, 2^131402118 is an apocalyptic number.

131402118 is an abundant number, since it is smaller than the sum of its proper divisors (139880058).

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

131402118 is a wasteful number, since it uses less digits than its factorization.

131402118 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 706499.

The product of its (nonzero) digits is 192, while the sum is 21.

The square root of 131402118 is about 11463.0762886757. The cubic root of 131402118 is about 508.3944355349.

Adding to 131402118 its reverse (811204131), we get a palindrome (942606249).

The spelling of 131402118 in words is "one hundred thirty-one million, four hundred two thousand, one hundred eighteen".