133208919963 has 18 divisors (see below), whose sum is σ = 223827233604. Its totient is φ = 76119382584.

The previous prime is 133208919959. The next prime is 133208919983. The reversal of 133208919963 is 369919802331.

It is a happy number.

It is not a de Polignac number, because 133208919963 - 2² = 133208919959 is a prime.

It is not an unprimeable number, because it can be changed into a prime (133208919983) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 151030081 + ... + 151030962.

Almost surely, 2^133208919963 is an apocalyptic number.

133208919963 is a deficient number, since it is larger than the sum of its proper divisors (90618313641).

133208919963 is a wasteful number, since it uses less digits than its factorization.

133208919963 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 302061063 (or 302061053 counting only the distinct ones).

The product of its (nonzero) digits is 1889568, while the sum is 54.

The spelling of 133208919963 in words is "one hundred thirty-three billion, two hundred eight million, nine hundred nineteen thousand, nine hundred sixty-three".