126338291506 has 16 divisors (see below), whose sum is σ = 216975882816. Its totient is φ = 54045993456.

The previous prime is 126338291483. The next prime is 126338291507. The reversal of 126338291506 is 605192833621.

It is a super-2 number, since 2×126338291506² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (126338291507) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8241121 + ... + 8256436.

It is an arithmetic number, because the mean of its divisors is an integer number (13560992676).

Almost surely, 2^126338291506 is an apocalyptic number.

126338291506 is a deficient number, since it is larger than the sum of its proper divisors (90637591310).

126338291506 is a wasteful number, since it uses less digits than its factorization.

126338291506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16498113.

The product of its (nonzero) digits is 466560, while the sum is 46.

The spelling of 126338291506 in words is "one hundred twenty-six billion, three hundred thirty-eight million, two hundred ninety-one thousand, five hundred six".