133363893 has 8 divisors (see below), whose sum is σ = 191496928. Its totient is φ = 82070064.

The previous prime is 133363859. The next prime is 133363897. The reversal of 133363893 is 398363331.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 133363893 - 2¹⁰ = 133362869 is a prime.

It is a super-2 number, since 2×133363893² = 35571855912230898, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39), and also a Moran number because the ratio is a prime number: 3419587 = 133363893 / (1 + 3 + 3 + 3 + 6 + 3 + 8 + 9 + 3).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133363897) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1709755 + ... + 1709832.

It is an arithmetic number, because the mean of its divisors is an integer number (23937116).

Almost surely, 2^133363893 is an apocalyptic number.

133363893 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

133363893 is a deficient number, since it is larger than the sum of its proper divisors (58133035).

133363893 is a wasteful number, since it uses less digits than its factorization.

133363893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3419603.

The product of its digits is 104976, while the sum is 39.

The square root of 133363893 is about 11548.3285803617. The cubic root of 133363893 is about 510.9119822156.

The spelling of 133363893 in words is "one hundred thirty-three million, three hundred sixty-three thousand, eight hundred ninety-three".