126469140626 has 8 divisors (see below), whose sum is σ = 194330630844. Its totient is φ = 61692263680.

The previous prime is 126469140619. The next prime is 126469140631. The reversal of 126469140626 is 626041964621.

It is a Cunningham number, because it is equal to 355625²+1.

It can be written as a sum of positive squares in 2 ways, for example, as 126469140625 + 1 = 355625^2 + 1^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 771153215 + ... + 771153378.

Almost surely, 2^126469140626 is an apocalyptic number.

126469140626 is a deficient number, since it is larger than the sum of its proper divisors (67861490218).

126469140626 is a wasteful number, since it uses less digits than its factorization.

126469140626 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1542306636.

The product of its (nonzero) digits is 746496, while the sum is 47.

The spelling of 126469140626 in words is "one hundred twenty-six billion, four hundred sixty-nine million, one hundred forty thousand, six hundred twenty-six".