126939369 has 12 divisors (see below), whose sum is σ = 176933456. Its totient is φ = 80945832.

The previous prime is 126939349. The next prime is 126939377. The reversal of 126939369 is 963939621.

It is a happy number.

It is not a de Polignac number, because 126939369 - 2¹⁶ = 126873833 is a prime.

It is a super-2 number, since 2×126939369² = 32227206804236322, which contains 22 as substring.

It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (126939349) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 38407 + ... + 41580.

Almost surely, 2^126939369 is an apocalyptic number.

It is an amenable number.

126939369 is a deficient number, since it is larger than the sum of its proper divisors (49994087).

126939369 is an equidigital number, since it uses as much as digits as its factorization.

126939369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80036 (or 80013 counting only the distinct ones).

The product of its digits is 472392, while the sum is 48.

The square root of 126939369 is about 11266.7372828162. The cubic root of 126939369 is about 502.5725664365.

The spelling of 126939369 in words is "one hundred twenty-six million, nine hundred thirty-nine thousand, three hundred sixty-nine".