126376139 has 2 divisors, whose sum is σ = 126376140. Its totient is φ = 126376138.

The previous prime is 126376109. The next prime is 126376141. The reversal of 126376139 is 931673621.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-126376139 is a prime.

Together with 126376141, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (126376109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63188069 + 63188070.

It is an arithmetic number, because the mean of its divisors is an integer number (63188070).

Almost surely, 2^126376139 is an apocalyptic number.

126376139 is a deficient number, since it is larger than the sum of its proper divisors (1).

126376139 is an equidigital number, since it uses as much as digits as its factorization.

126376139 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 40824, while the sum is 38.

The square root of 126376139 is about 11241.7142376063. The cubic root of 126376139 is about 501.8281595189.

The spelling of 126376139 in words is "one hundred twenty-six million, three hundred seventy-six thousand, one hundred thirty-nine".