1963138226 has 8 divisors (see below), whose sum is σ = 3365379840. Its totient is φ = 841344948.

The previous prime is 1963138207. The next prime is 1963138249. The reversal of 1963138226 is 6228313691.

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, 70112066 + ... + 70112093.

It is an arithmetic number, because the mean of its divisors is an integer number (420672480).

Almost surely, 2^1963138226 is an apocalyptic number.

1963138226 is a deficient number, since it is larger than the sum of its proper divisors (1402241614).

1963138226 is a wasteful number, since it uses less digits than its factorization.

1963138226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140224168.

The product of its digits is 93312, while the sum is 41.

The square root of 1963138226 is about 44307.3157164819. The cubic root of 1963138226 is about 1252.1325147159.

The spelling of 1963138226 in words is "one billion, nine hundred sixty-three million, one hundred thirty-eight thousand, two hundred twenty-six".