133319499 has 16 divisors (see below), whose sum is σ = 183911424. Its totient is φ = 85816800.

The previous prime is 133319443. The next prime is 133319567. The reversal of 133319499 is 994913331.

It is not a de Polignac number, because 133319499 - 2⁹ = 133318987 is a prime.

It is a super-2 number, since 2×133319499² = 35548177627222002, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 133319499.

It is not an unprimeable number, because it can be changed into a prime (133319299) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47269 + ... + 50009.

It is an arithmetic number, because the mean of its divisors is an integer number (11494464).

Almost surely, 2^133319499 is an apocalyptic number.

133319499 is a deficient number, since it is larger than the sum of its proper divisors (50591925).

133319499 is a wasteful number, since it uses less digits than its factorization.

133319499 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3298.

The product of its digits is 78732, while the sum is 42.

The square root of 133319499 is about 11546.4063240473. The cubic root of 133319499 is about 510.8552853510.

The spelling of 133319499 in words is "one hundred thirty-three million, three hundred nineteen thousand, four hundred ninety-nine".