142426536232291 has 16 divisors (see below), whose sum is σ = 148867308676800. Its totient is φ = 136094922972288.

The previous prime is 142426536232283. The next prime is 142426536232301. The reversal of 142426536232291 is 192232635624241.

It is a cyclic number.

It is not a de Polignac number, because 142426536232291 - 2³ = 142426536232283 is a prime.

It is a super-2 number, since 2×142426536232291² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142426536232091) 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, 63102180 + ... + 65320273.

It is an arithmetic number, because the mean of its divisors is an integer number (9304206792300).

Almost surely, 2^{142426536232291} is an apocalyptic number.

142426536232291 is a deficient number, since it is larger than the sum of its proper divisors (6440772444509).

142426536232291 is a wasteful number, since it uses less digits than its factorization.

142426536232291 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128422878.

The product of its digits is 7464960, while the sum is 52.

The spelling of 142426536232291 in words is "one hundred forty-two trillion, four hundred twenty-six billion, five hundred thirty-six million, two hundred thirty-two thousand, two hundred ninety-one".