133975517399 has 8 divisors (see below), whose sum is σ = 141031962240. Its totient is φ = 126919582776.

The previous prime is 133975517257. The next prime is 133975517411. The reversal of 133975517399 is 993715579331.

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-133975517399 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133975517899) 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, 487544 + ... + 711090.

It is an arithmetic number, because the mean of its divisors is an integer number (17628995280).

Almost surely, 2^133975517399 is an apocalyptic number.

133975517399 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

133975517399 is a deficient number, since it is larger than the sum of its proper divisors (7056444841).

133975517399 is a wasteful number, since it uses less digits than its factorization.

133975517399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255109.

The product of its digits is 24111675, while the sum is 62.

The spelling of 133975517399 in words is "one hundred thirty-three billion, nine hundred seventy-five million, five hundred seventeen thousand, three hundred ninety-nine".