126733940 has 12 divisors (see below), whose sum is σ = 266141316. Its totient is φ = 50693568.

The previous prime is 126733931. The next prime is 126733951. The reversal of 126733940 is 49337621.

It can be written as a sum of positive squares in 2 ways, for example, as 92698384 + 34035556 = 9628^2 + 5834^2 .

It is a super-2 number, since 2×126733940² = 32122983095847200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 126733940.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3168329 + ... + 3168368.

It is an arithmetic number, because the mean of its divisors is an integer number (22178443).

Almost surely, 2^126733940 is an apocalyptic number.

126733940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

126733940 is an abundant number, since it is smaller than the sum of its proper divisors (139407376).

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

126733940 is a wasteful number, since it uses less digits than its factorization.

126733940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6336706 (or 6336704 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 35.

The square root of 126733940 is about 11257.6169769628. The cubic root of 126733940 is about 502.3013116787.

The spelling of 126733940 in words is "one hundred twenty-six million, seven hundred thirty-three thousand, nine hundred forty".