142032103991 has 4 divisors (see below), whose sum is σ = 142051097184. Its totient is φ = 142013110800.

The previous prime is 142032103949. The next prime is 142032104003. The reversal of 142032103991 is 199301230241.

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 142032103991 - 2²² = 142027909687 is a prime.

It is a super-2 number, since 2×142032103991² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142032103091) 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, 9485375 + ... + 9500336.

It is an arithmetic number, because the mean of its divisors is an integer number (35512774296).

Almost surely, 2^142032103991 is an apocalyptic number.

142032103991 is a deficient number, since it is larger than the sum of its proper divisors (18993193).

142032103991 is an equidigital number, since it uses as much as digits as its factorization.

142032103991 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18993192.

The product of its (nonzero) digits is 11664, while the sum is 35.

The spelling of 142032103991 in words is "one hundred forty-two billion, thirty-two million, one hundred three thousand, nine hundred ninety-one".