126013438 has 8 divisors (see below), whose sum is σ = 189507240. Its totient is φ = 62844360.

The previous prime is 126013423. The next prime is 126013441. The reversal of 126013438 is 834310621.

It is a sphenic number, since it is the product of 3 distinct primes.

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, 80208 + ... + 81763.

It is an arithmetic number, because the mean of its divisors is an integer number (23688405).

Almost surely, 2^126013438 is an apocalyptic number.

126013438 is a deficient number, since it is larger than the sum of its proper divisors (63493802).

126013438 is a wasteful number, since it uses less digits than its factorization.

126013438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162362.

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 126013438 is about 11225.5707204578. The cubic root of 126013438 is about 501.3476152697.

The spelling of 126013438 in words is "one hundred twenty-six million, thirteen thousand, four hundred thirty-eight".