126145439 has 8 divisors (see below), whose sum is σ = 145566720. Its totient is φ = 107074296.

The previous prime is 126145429. The next prime is 126145477. The reversal of 126145439 is 934541621.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 126145439 - 2⁸ = 126145183 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 126145399 and 126145408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126145429) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 86759 + ... + 88200.

It is an arithmetic number, because the mean of its divisors is an integer number (18195840).

Almost surely, 2^126145439 is an apocalyptic number.

126145439 is a deficient number, since it is larger than the sum of its proper divisors (19421281).

126145439 is a wasteful number, since it uses less digits than its factorization.

126145439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175069.

The product of its digits is 25920, while the sum is 35.

The square root of 126145439 is about 11231.4486599014. The cubic root of 126145439 is about 501.5226106073.

The spelling of 126145439 in words is "one hundred twenty-six million, one hundred forty-five thousand, four hundred thirty-nine".