142406131 has 8 divisors (see below), whose sum is σ = 162838784. Its totient is φ = 121995720.

The previous prime is 142406107. The next prime is 142406149. The reversal of 142406131 is 131604241.

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

It is not a de Polignac number, because 142406131 - 2⁷ = 142406003 is a prime.

It is a super-2 number, since 2×142406131² = 40559012292778322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142446131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11776 + ... + 20578.

It is an arithmetic number, because the mean of its divisors is an integer number (20354848).

Almost surely, 2^142406131 is an apocalyptic number.

142406131 is a deficient number, since it is larger than the sum of its proper divisors (20432653).

142406131 is an equidigital number, since it uses as much as digits as its factorization.

142406131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11121.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 142406131 is about 11933.4039988597. The cubic root of 142406131 is about 522.2072485337.

The spelling of 142406131 in words is "one hundred forty-two million, four hundred six thousand, one hundred thirty-one".