133872417499 has 2 divisors, whose sum is σ = 133872417500. Its totient is φ = 133872417498.

The previous prime is 133872417443. The next prime is 133872417533. The reversal of 133872417499 is 994714278331.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 133872417499 - 2²³ = 133864028891 is a prime.

It is a super-2 number, since 2×133872417499² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (133872417409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66936208749 + 66936208750.

It is an arithmetic number, because the mean of its divisors is an integer number (66936208750).

Almost surely, 2^133872417499 is an apocalyptic number.

133872417499 is a deficient number, since it is larger than the sum of its proper divisors (1).

133872417499 is an equidigital number, since it uses as much as digits as its factorization.

133872417499 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9144576, while the sum is 58.

The spelling of 133872417499 in words is "one hundred thirty-three billion, eight hundred seventy-two million, four hundred seventeen thousand, four hundred ninety-nine".