142756131 has 16 divisors (see below), whose sum is σ = 217914368. Its totient is φ = 81432000.

The previous prime is 142756121. The next prime is 142756151. The reversal of 142756131 is 131657241.

It is not a de Polignac number, because 142756131 - 2⁹ = 142755619 is a prime.

It is a super-2 number, since 2×142756131² = 40758625876178322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (142756111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6966 + ... + 18276.

It is an arithmetic number, because the mean of its divisors is an integer number (13619648).

Almost surely, 2^142756131 is an apocalyptic number.

142756131 is a deficient number, since it is larger than the sum of its proper divisors (75158237).

142756131 is a wasteful number, since it uses less digits than its factorization.

142756131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11922.

The product of its digits is 5040, while the sum is 30.

The square root of 142756131 is about 11948.0597169582. The cubic root of 142756131 is about 522.6347184346.

The spelling of 142756131 in words is "one hundred forty-two million, seven hundred fifty-six thousand, one hundred thirty-one".