126139333 has 4 divisors (see below), whose sum is σ = 127659168. Its totient is φ = 124619500.

The previous prime is 126139267. The next prime is 126139361. The reversal of 126139333 is 333931621.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 126139333 - 2¹⁷ = 126008261 is a prime.

It is a super-2 number, since 2×126139333² = 31822262659369778, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 126139295 and 126139304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126139393) 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, 759793 + ... + 759958.

It is an arithmetic number, because the mean of its divisors is an integer number (31914792).

Almost surely, 2^126139333 is an apocalyptic number.

It is an amenable number.

126139333 is a deficient number, since it is larger than the sum of its proper divisors (1519835).

126139333 is an equidigital number, since it uses as much as digits as its factorization.

126139333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1519834.

The product of its digits is 8748, while the sum is 31.

The square root of 126139333 is about 11231.1768305908. The cubic root of 126139333 is about 501.5145185021.

The spelling of 126139333 in words is "one hundred twenty-six million, one hundred thirty-nine thousand, three hundred thirty-three".