120140081431 has 4 divisors (see below), whose sum is σ = 120160439712. Its totient is φ = 120119723152.

The previous prime is 120140081333. The next prime is 120140081459. The reversal of 120140081431 is 134180041021.

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 120140081431 - 2²³ = 120131692823 is a prime.

It is a super-2 number, since 2×120140081431² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120140081396 and 120140081405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120140081461) 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, 10170286 + ... + 10182091.

It is an arithmetic number, because the mean of its divisors is an integer number (30040109928).

Almost surely, 2^120140081431 is an apocalyptic number.

120140081431 is a deficient number, since it is larger than the sum of its proper divisors (20358281).

120140081431 is an equidigital number, since it uses as much as digits as its factorization.

120140081431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20358280.

The product of its (nonzero) digits is 768, while the sum is 25.

The spelling of 120140081431 in words is "one hundred twenty billion, one hundred forty million, eighty-one thousand, four hundred thirty-one".