133026155221493 has 2 divisors, whose sum is σ = 133026155221494. Its totient is φ = 133026155221492.

The previous prime is 133026155221423. The next prime is 133026155221541. The reversal of 133026155221493 is 394122551620331.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 95039062444804 + 37987092776689 = 9748798^2 + 6163367^2 .

It is an emirp because it is prime and its reverse (394122551620331) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 133026155221493 - 2²⁰ = 133026154172917 is a prime.

It is a super-3 number, since 3×133026155221493³ (a number of 43 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (133026155221423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66513077610746 + 66513077610747.

It is an arithmetic number, because the mean of its divisors is an integer number (66513077610747).

Almost surely, 2^{133026155221493} is an apocalyptic number.

It is an amenable number.

133026155221493 is a deficient number, since it is larger than the sum of its proper divisors (1).

133026155221493 is an equidigital number, since it uses as much as digits as its factorization.

133026155221493 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1166400, while the sum is 47.

The spelling of 133026155221493 in words is "one hundred thirty-three trillion, twenty-six billion, one hundred fifty-five million, two hundred twenty-one thousand, four hundred ninety-three".