126939996 has 18 divisors (see below), whose sum is σ = 320876192. Its totient is φ = 42313320.

The previous prime is 126939991. The next prime is 126940001. The reversal of 126939996 is 699939621.

It is an interprime number because it is at equal distance from previous prime (126939991) and next prime (126940001).

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×126939996² = 32227525168960032, which contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126939991) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1763020 + ... + 1763091.

Almost surely, 2^126939996 is an apocalyptic number.

It is an amenable number.

126939996 is an abundant number, since it is smaller than the sum of its proper divisors (193936196).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

126939996 is a wasteful number, since it uses less digits than its factorization.

126939996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3526121 (or 3526116 counting only the distinct ones).

The product of its digits is 1417176, while the sum is 54.

The square root of 126939996 is about 11266.7651080512. The cubic root of 126939996 is about 502.5733938984.

The spelling of 126939996 in words is "one hundred twenty-six million, nine hundred thirty-nine thousand, nine hundred ninety-six".