142140233413 has 4 divisors (see below), whose sum is σ = 142165662048. Its totient is φ = 142114804780.

The previous prime is 142140233387. The next prime is 142140233491. The reversal of 142140233413 is 314332041241.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-142140233413 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142140533413) 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, 12705931 + ... + 12717112.

It is an arithmetic number, because the mean of its divisors is an integer number (35541415512).

Almost surely, 2^142140233413 is an apocalyptic number.

It is an amenable number.

142140233413 is a deficient number, since it is larger than the sum of its proper divisors (25428635).

142140233413 is an equidigital number, since it uses as much as digits as its factorization.

142140233413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25428634.

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 142140233413 its reverse (314332041241), we get a palindrome (456472274654).

The spelling of 142140233413 in words is "one hundred forty-two billion, one hundred forty million, two hundred thirty-three thousand, four hundred thirteen".