133097998 has 32 divisors (see below), whose sum is σ = 232098048. Its totient is φ = 56572800.

The previous prime is 133097989. The next prime is 133098001. The reversal of 133097998 is 899790331.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 61393 + ... + 63523.

It is an arithmetic number, because the mean of its divisors is an integer number (7253064).

Almost surely, 2^133097998 is an apocalyptic number.

133097998 is a deficient number, since it is larger than the sum of its proper divisors (99000050).

133097998 is a wasteful number, since it uses less digits than its factorization.

133097998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2328.

The product of its (nonzero) digits is 367416, while the sum is 49.

The square root of 133097998 is about 11536.8105644498. The cubic root of 133097998 is about 510.5722117780.

The spelling of 133097998 in words is "one hundred thirty-three million, ninety-seven thousand, nine hundred ninety-eight".