120131030139 has 4 divisors (see below), whose sum is σ = 160174706856. Its totient is φ = 80087353424.

The previous prime is 120131030113. The next prime is 120131030171. The reversal of 120131030139 is 931030131021.

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 120131030139 - 2²³ = 120122641531 is a prime.

It is not an unprimeable number, because it can be changed into a prime (120131030189) 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, 20021838354 + ... + 20021838359.

It is an arithmetic number, because the mean of its divisors is an integer number (40043676714).

Almost surely, 2^120131030139 is an apocalyptic number.

120131030139 is a deficient number, since it is larger than the sum of its proper divisors (40043676717).

120131030139 is an equidigital number, since it uses as much as digits as its factorization.

120131030139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40043676716.

The product of its (nonzero) digits is 486, while the sum is 24.

The spelling of 120131030139 in words is "one hundred twenty billion, one hundred thirty-one million, thirty thousand, one hundred thirty-nine".