126156403345 has 64 divisors (see below), whose sum is σ = 187847838720. Its totient is φ = 79428400128.

The previous prime is 126156403339. The next prime is 126156403363. The reversal of 126156403345 is 543304651621.

It is not a de Polignac number, because 126156403345 - 2¹⁷ = 126156272273 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 126156403298 and 126156403307.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4023067 + ... + 4054303.

It is an arithmetic number, because the mean of its divisors is an integer number (2935122480).

Almost surely, 2^126156403345 is an apocalyptic number.

It is an amenable number.

126156403345 is a deficient number, since it is larger than the sum of its proper divisors (61691435375).

126156403345 is a wasteful number, since it uses less digits than its factorization.

126156403345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31474.

The product of its (nonzero) digits is 259200, while the sum is 40.

The spelling of 126156403345 in words is "one hundred twenty-six billion, one hundred fifty-six million, four hundred three thousand, three hundred forty-five".