140142124254331 has 4 divisors (see below), whose sum is σ = 140142396501832. Its totient is φ = 140141852006832.

The previous prime is 140142124254169. The next prime is 140142124254343. The reversal of 140142124254331 is 133452421241041.

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 140142124254331 - 2⁹ = 140142124253819 is a prime.

It is a super-2 number, since 2×140142124254331² (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 (140142124254361) 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, 135350145 + ... + 136381618.

It is an arithmetic number, because the mean of its divisors is an integer number (35035599125458).

Almost surely, 2^{140142124254331} is an apocalyptic number.

140142124254331 is a deficient number, since it is larger than the sum of its proper divisors (272247501).

140142124254331 is an equidigital number, since it uses as much as digits as its factorization.

140142124254331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272247500.

The product of its (nonzero) digits is 92160, while the sum is 37.

Adding to 140142124254331 its reverse (133452421241041), we get a palindrome (273594545495372).

The spelling of 140142124254331 in words is "one hundred forty trillion, one hundred forty-two billion, one hundred twenty-four million, two hundred fifty-four thousand, three hundred thirty-one".