133968698 has 16 divisors (see below), whose sum is σ = 210076416. Its totient is φ = 63954000.

The previous prime is 133968697. The next prime is 133968707. The reversal of 133968698 is 896869331.

It is a super-2 number, since 2×133968698² = 35895224087630408, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (133968691) 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 7 ways as a sum of consecutive naturals, for example, 25823 + ... + 30573.

It is an arithmetic number, because the mean of its divisors is an integer number (13129776).

Almost surely, 2^133968698 is an apocalyptic number.

133968698 is a deficient number, since it is larger than the sum of its proper divisors (76107718).

133968698 is a wasteful number, since it uses less digits than its factorization.

133968698 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5389.

The product of its digits is 1679616, while the sum is 53.

The square root of 133968698 is about 11574.4847833500. The cubic root of 133968698 is about 511.6831459335.

The spelling of 133968698 in words is "one hundred thirty-three million, nine hundred sixty-eight thousand, six hundred ninety-eight".