133156343 has 2 divisors, whose sum is σ = 133156344. Its totient is φ = 133156342.

The previous prime is 133156339. The next prime is 133156363. The reversal of 133156343 is 343651331.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 133156343 - 2² = 133156339 is a prime.

It is a super-2 number, since 2×133156343² = 35461223362267298, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (133156363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66578171 + 66578172.

It is an arithmetic number, because the mean of its divisors is an integer number (66578172).

Almost surely, 2^133156343 is an apocalyptic number.

133156343 is a deficient number, since it is larger than the sum of its proper divisors (1).

133156343 is an equidigital number, since it uses as much as digits as its factorization.

133156343 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9720, while the sum is 29.

The square root of 133156343 is about 11539.3389325386. The cubic root of 133156343 is about 510.6468058976.

The spelling of 133156343 in words is "one hundred thirty-three million, one hundred fifty-six thousand, three hundred forty-three".