126156403346 has 16 divisors (see below), whose sum is σ = 189989483904. Its totient is φ = 62826665184.

The previous prime is 126156403339. The next prime is 126156403363. The reversal of 126156403346 is 643304651621.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3266726 + ... + 3305118.

It is an arithmetic number, because the mean of its divisors is an integer number (11874342744).

Almost surely, 2^126156403346 is an apocalyptic number.

126156403346 is a deficient number, since it is larger than the sum of its proper divisors (63833080558).

126156403346 is a wasteful number, since it uses less digits than its factorization.

126156403346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44905.

The product of its (nonzero) digits is 311040, while the sum is 41.

The spelling of 126156403346 in words is "one hundred twenty-six billion, one hundred fifty-six million, four hundred three thousand, three hundred forty-six".