133546812379 has 2 divisors, whose sum is σ = 133546812380. Its totient is φ = 133546812378.

The previous prime is 133546812353. The next prime is 133546812409. The reversal of 133546812379 is 973218645331.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 133546812379 - 2¹³ = 133546804187 is a prime.

It is not a weakly prime, because it can be changed into another prime (133546812779) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66773406189 + 66773406190.

It is an arithmetic number, because the mean of its divisors is an integer number (66773406190).

Almost surely, 2^133546812379 is an apocalyptic number.

133546812379 is a deficient number, since it is larger than the sum of its proper divisors (1).

133546812379 is an equidigital number, since it uses as much as digits as its factorization.

133546812379 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3265920, while the sum is 52.

The spelling of 133546812379 in words is "one hundred thirty-three billion, five hundred forty-six million, eight hundred twelve thousand, three hundred seventy-nine".