133763998 has 20 divisors (see below), whose sum is σ = 210643920. Its totient is φ = 63706412.

The previous prime is 133763963. The next prime is 133763999. The reversal of 133763998 is 899367331.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133763999) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 559563 + ... + 559801.

It is an arithmetic number, because the mean of its divisors is an integer number (10532196).

Almost surely, 2^133763998 is an apocalyptic number.

133763998 is a deficient number, since it is larger than the sum of its proper divisors (76879922).

133763998 is an frugal number, since it uses more digits than its factorization.

133763998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 333 (or 264 counting only the distinct ones).

The product of its digits is 734832, while the sum is 49.

The square root of 133763998 is about 11565.6386767009. The cubic root of 133763998 is about 511.4224011124.

The spelling of 133763998 in words is "one hundred thirty-three million, seven hundred sixty-three thousand, nine hundred ninety-eight".