126462136646 has 8 divisors (see below), whose sum is σ = 194104674984. Its totient is φ = 61760578320.

The previous prime is 126462136631. The next prime is 126462136649. The reversal of 126462136646 is 646631264621.

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

It is a super-2 number, since 2×126462136646² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 126462136646.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126462136649) 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, 735244895 + ... + 735245066.

It is an arithmetic number, because the mean of its divisors is an integer number (24263084373).

Almost surely, 2^126462136646 is an apocalyptic number.

126462136646 is a deficient number, since it is larger than the sum of its proper divisors (67642538338).

126462136646 is a wasteful number, since it uses less digits than its factorization.

126462136646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1470490006.

The product of its digits is 1492992, while the sum is 47.

The spelling of 126462136646 in words is "one hundred twenty-six billion, four hundred sixty-two million, one hundred thirty-six thousand, six hundred forty-six".