126354049634 has 8 divisors (see below), whose sum is σ = 189717074640. Its totient is φ = 63115024756.

The previous prime is 126354049631. The next prime is 126354049637. The reversal of 126354049634 is 436940453621.

It is an interprime number because it is at equal distance from previous prime (126354049631) and next prime (126354049637).

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

It is a super-2 number, since 2×126354049634² (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (126354049631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30997484 + ... + 31001559.

It is an arithmetic number, because the mean of its divisors is an integer number (23714634330).

Almost surely, 2^126354049634 is an apocalyptic number.

126354049634 is a deficient number, since it is larger than the sum of its proper divisors (63363025006).

126354049634 is a wasteful number, since it uses less digits than its factorization.

126354049634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62000064.

The product of its (nonzero) digits is 1866240, while the sum is 47.

The spelling of 126354049634 in words is "one hundred twenty-six billion, three hundred fifty-four million, forty-nine thousand, six hundred thirty-four".