126838203454 has 8 divisors (see below), whose sum is σ = 198529362000. Its totient is φ = 60661749456.

The previous prime is 126838203409. The next prime is 126838203473. The reversal of 126838203454 is 454302838621.

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

It is a Harshad number since it is a multiple of its sum of digits (46), and also a Moran number because the ratio is a prime number: 2757352249 = 126838203454 / (1 + 2 + 6 + 8 + 3 + 8 + 2 + 0 + 3 + 4 + 5 + 4).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1378676079 + ... + 1378676170.

It is an arithmetic number, because the mean of its divisors is an integer number (24816170250).

Almost surely, 2^126838203454 is an apocalyptic number.

126838203454 is a deficient number, since it is larger than the sum of its proper divisors (71691158546).

126838203454 is a wasteful number, since it uses less digits than its factorization.

126838203454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2757352274.

The product of its (nonzero) digits is 1105920, while the sum is 46.

The spelling of 126838203454 in words is "one hundred twenty-six billion, eight hundred thirty-eight million, two hundred three thousand, four hundred fifty-four".