133477774331 has 4 divisors (see below), whose sum is σ = 145612117464. Its totient is φ = 121343431200.

The previous prime is 133477774321. The next prime is 133477774337.

133477774331 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 133477774331 - 2²⁶ = 133410665467 is a prime.

It is a super-2 number, since 2×133477774331² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 133477774331.

It is not an unprimeable number, because it can be changed into a prime (133477774337) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6067171550 + ... + 6067171571.

It is an arithmetic number, because the mean of its divisors is an integer number (36403029366).

Almost surely, 2^133477774331 is an apocalyptic number.

133477774331 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

133477774331 is a deficient number, since it is larger than the sum of its proper divisors (12134343133).

133477774331 is a wasteful number, since it uses less digits than its factorization.

133477774331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12134343132.

The product of its digits is 3111696, while the sum is 50.

The spelling of 133477774331 in words is "one hundred thirty-three billion, four hundred seventy-seven million, seven hundred seventy-four thousand, three hundred thirty-one".