126349940 has 24 divisors (see below), whose sum is σ = 269297952. Its totient is φ = 49785120.

The previous prime is 126349921. The next prime is 126349957. The reversal of 126349940 is 49943621.

It is a junction number, because it is equal to n+sod(n) for n = 126349894 and 126349903.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45806 + ... + 48485.

It is an arithmetic number, because the mean of its divisors is an integer number (11220748).

Almost surely, 2^126349940 is an apocalyptic number.

126349940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

126349940 is an abundant number, since it is smaller than the sum of its proper divisors (142948012).

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

126349940 is a wasteful number, since it uses less digits than its factorization.

126349940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94367 (or 94365 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 38.

The square root of 126349940 is about 11240.5489189808. The cubic root of 126349940 is about 501.7934791731.

The spelling of 126349940 in words is "one hundred twenty-six million, three hundred forty-nine thousand, nine hundred forty".