126147638 has 8 divisors (see below), whose sum is σ = 193622088. Its totient is φ = 61606944.

The previous prime is 126147601. The next prime is 126147647. The reversal of 126147638 is 836741621.

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, 733331 + ... + 733502.

It is an arithmetic number, because the mean of its divisors is an integer number (24202761).

Almost surely, 2^126147638 is an apocalyptic number.

126147638 is a deficient number, since it is larger than the sum of its proper divisors (67474450).

126147638 is a wasteful number, since it uses less digits than its factorization.

126147638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1466878.

The product of its digits is 48384, while the sum is 38.

The square root of 126147638 is about 11231.5465542373. The cubic root of 126147638 is about 501.5255248144.

The spelling of 126147638 in words is "one hundred twenty-six million, one hundred forty-seven thousand, six hundred thirty-eight".