133499397959 has 8 divisors (see below), whose sum is σ = 133585450320. Its totient is φ = 133413379776.

The previous prime is 133499397949. The next prime is 133499397979. The reversal of 133499397959 is 959793994331.

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

It is a cyclic number.

It is not a de Polignac number, because 133499397959 - 2²⁴ = 133482620743 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 133499397892 and 133499397901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133499397949) 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, 13999157 + ... + 14008689.

It is an arithmetic number, because the mean of its divisors is an integer number (16698181290).

Almost surely, 2^133499397959 is an apocalyptic number.

133499397959 is a deficient number, since it is larger than the sum of its proper divisors (86052361).

133499397959 is an equidigital number, since it uses as much as digits as its factorization.

133499397959 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17089.

The product of its digits is 223205220, while the sum is 71.

The spelling of 133499397959 in words is "one hundred thirty-three billion, four hundred ninety-nine million, three hundred ninety-seven thousand, nine hundred fifty-nine".