133426191719 has 8 divisors (see below), whose sum is σ = 136689502320. Its totient is φ = 130163310400.

The previous prime is 133426191709. The next prime is 133426191739. The reversal of 133426191719 is 917191624331.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-133426191719 is a prime.

It is a super-2 number, since 2×133426191719² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133426191709) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 574172 + ... + 772350.

It is an arithmetic number, because the mean of its divisors is an integer number (17086187790).

Almost surely, 2^133426191719 is an apocalyptic number.

133426191719 is a deficient number, since it is larger than the sum of its proper divisors (3263310601).

133426191719 is a wasteful number, since it uses less digits than its factorization.

133426191719 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214641.

The product of its digits is 244944, while the sum is 47.

The spelling of 133426191719 in words is "one hundred thirty-three billion, four hundred twenty-six million, one hundred ninety-one thousand, seven hundred nineteen".