126634265355 has 32 divisors (see below), whose sum is σ = 218332348416. Its totient is φ = 62305375104.

The previous prime is 126634265347. The next prime is 126634265371. The reversal of 126634265355 is 553562436621.

It is a happy number.

It is not a de Polignac number, because 126634265355 - 2³ = 126634265347 is a prime.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 129034 + ... + 519536.

It is an arithmetic number, because the mean of its divisors is an integer number (6822885888).

Almost surely, 2^126634265355 is an apocalyptic number.

126634265355 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

126634265355 is a deficient number, since it is larger than the sum of its proper divisors (91698083061).

126634265355 is a wasteful number, since it uses less digits than its factorization.

126634265355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 392187.

The product of its digits is 3888000, while the sum is 48.

The spelling of 126634265355 in words is "one hundred twenty-six billion, six hundred thirty-four million, two hundred sixty-five thousand, three hundred fifty-five".