131370139 has 2 divisors, whose sum is σ = 131370140. Its totient is φ = 131370138.

The previous prime is 131370119. The next prime is 131370163. The reversal of 131370139 is 931073131.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 131370139 - 2¹¹ = 131368091 is a prime.

It is a super-2 number, since 2×131370139² = 34516226841758642, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (131370119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65685069 + 65685070.

It is an arithmetic number, because the mean of its divisors is an integer number (65685070).

Almost surely, 2^131370139 is an apocalyptic number.

131370139 is a deficient number, since it is larger than the sum of its proper divisors (1).

131370139 is an equidigital number, since it uses as much as digits as its factorization.

131370139 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1701, while the sum is 28.

The square root of 131370139 is about 11461.6813339056. The cubic root of 131370139 is about 508.3531899676.

The spelling of 131370139 in words is "one hundred thirty-one million, three hundred seventy thousand, one hundred thirty-nine".