133440311197 has 2 divisors, whose sum is σ = 133440311198. Its totient is φ = 133440311196.

The previous prime is 133440311183. The next prime is 133440311209. The reversal of 133440311197 is 791113044331.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 73361889316 + 60078421881 = 270854^2 + 245109^2 .

It is a cyclic number.

It is not a de Polignac number, because 133440311197 - 2¹⁵ = 133440278429 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (133440311297) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66720155598 + 66720155599.

It is an arithmetic number, because the mean of its divisors is an integer number (66720155599).

Almost surely, 2^133440311197 is an apocalyptic number.

It is an amenable number.

133440311197 is a deficient number, since it is larger than the sum of its proper divisors (1).

133440311197 is an equidigital number, since it uses as much as digits as its factorization.

133440311197 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27216, while the sum is 37.

It can be divided in two parts, 1334403 and 11197, that added together give a square (1345600 = 1160²).

The spelling of 133440311197 in words is "one hundred thirty-three billion, four hundred forty million, three hundred eleven thousand, one hundred ninety-seven".