126674634745 has 16 divisors (see below), whose sum is σ = 158630958720. Its totient is φ = 96926125824.

The previous prime is 126674634727. The next prime is 126674634773. The reversal of 126674634745 is 547436476621.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 126674634745 - 2¹³ = 126674626553 is a prime.

It is a super-2 number, since 2×126674634745² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1789057 + ... + 1858513.

It is an arithmetic number, because the mean of its divisors is an integer number (9914434920).

Almost surely, 2^126674634745 is an apocalyptic number.

It is an amenable number.

126674634745 is a deficient number, since it is larger than the sum of its proper divisors (31956323975).

126674634745 is a wasteful number, since it uses less digits than its factorization.

126674634745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85344.

The product of its digits is 20321280, while the sum is 55.

The spelling of 126674634745 in words is "one hundred twenty-six billion, six hundred seventy-four million, six hundred thirty-four thousand, seven hundred forty-five".