131404142 has 8 divisors (see below), whose sum is σ = 197564832. Its totient is φ = 65549200.

The previous prime is 131404121. The next prime is 131404183. The reversal of 131404142 is 241404131.

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

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, 75359 + ... + 77082.

It is an arithmetic number, because the mean of its divisors is an integer number (24695604).

Almost surely, 2^131404142 is an apocalyptic number.

131404142 is a deficient number, since it is larger than the sum of its proper divisors (66160690).

131404142 is a wasteful number, since it uses less digits than its factorization.

131404142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152874.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 131404142 is about 11463.1645717926. The cubic root of 131404142 is about 508.3970458050.

Adding to 131404142 its reverse (241404131), we get a palindrome (372808273).

The spelling of 131404142 in words is "one hundred thirty-one million, four hundred four thousand, one hundred forty-two".