133848273439 has 2 divisors, whose sum is σ = 133848273440. Its totient is φ = 133848273438.

The previous prime is 133848273421. The next prime is 133848273509. The reversal of 133848273439 is 934372848331.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 133848273439 - 2¹³ = 133848265247 is a prime.

It is a super-5 number, since 5×133848273439⁵ (a number of 57 digits) contains 55555 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 133848273439.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (133848273239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66924136719 + 66924136720.

It is an arithmetic number, because the mean of its divisors is an integer number (66924136720).

Almost surely, 2^133848273439 is an apocalyptic number.

133848273439 is a deficient number, since it is larger than the sum of its proper divisors (1).

133848273439 is an equidigital number, since it uses as much as digits as its factorization.

133848273439 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10450944, while the sum is 55.

The spelling of 133848273439 in words is "one hundred thirty-three billion, eight hundred forty-eight million, two hundred seventy-three thousand, four hundred thirty-nine".