133772311 has 2 divisors, whose sum is σ = 133772312. Its totient is φ = 133772310.

The previous prime is 133772297. The next prime is 133772323. The reversal of 133772311 is 113277331.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 133772311 - 2²³ = 125383703 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 133772311.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (133772341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66886155 + 66886156.

It is an arithmetic number, because the mean of its divisors is an integer number (66886156).

Almost surely, 2^133772311 is an apocalyptic number.

133772311 is a deficient number, since it is larger than the sum of its proper divisors (1).

133772311 is an equidigital number, since it uses as much as digits as its factorization.

133772311 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2646, while the sum is 28.

The square root of 133772311 is about 11565.9980546428. The cubic root of 133772311 is about 511.4329953092.

The spelling of 133772311 in words is "one hundred thirty-three million, seven hundred seventy-two thousand, three hundred eleven".