142932131 has 4 divisors (see below), whose sum is σ = 144538200. Its totient is φ = 141326064.

The previous prime is 142932121. The next prime is 142932197. The reversal of 142932131 is 131239241.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 142932131 - 2¹⁸ = 142669987 is a prime.

It is a super-2 number, since 2×142932131² = 40859188144402322, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 142932131.

It is not an unprimeable number, because it can be changed into a prime (142932121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 802901 + ... + 803078.

It is an arithmetic number, because the mean of its divisors is an integer number (36134550).

Almost surely, 2^142932131 is an apocalyptic number.

142932131 is a deficient number, since it is larger than the sum of its proper divisors (1606069).

142932131 is an equidigital number, since it uses as much as digits as its factorization.

142932131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1606068.

The product of its digits is 1296, while the sum is 26.

The square root of 142932131 is about 11955.4226608682. The cubic root of 142932131 is about 522.8494107548.

The spelling of 142932131 in words is "one hundred forty-two million, nine hundred thirty-two thousand, one hundred thirty-one".