142131395 has 8 divisors (see below), whose sum is σ = 194923104. Its totient is φ = 97461504.

The previous prime is 142131347. The next prime is 142131397. The reversal of 142131395 is 593131241.

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

It is not a de Polignac number, because 142131395 - 2¹² = 142127299 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142131397) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2030414 + ... + 2030483.

It is an arithmetic number, because the mean of its divisors is an integer number (24365388).

Almost surely, 2^142131395 is an apocalyptic number.

142131395 is a deficient number, since it is larger than the sum of its proper divisors (52791709).

142131395 is an equidigital number, since it uses as much as digits as its factorization.

142131395 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4060909.

The product of its digits is 3240, while the sum is 29.

The square root of 142131395 is about 11921.8872247644. The cubic root of 142131395 is about 521.8712108203.

The spelling of 142131395 in words is "one hundred forty-two million, one hundred thirty-one thousand, three hundred ninety-five".