133140243 has 24 divisors (see below), whose sum is σ = 192783024. Its totient is φ = 81448960.

The previous prime is 133140233. The next prime is 133140253. The reversal of 133140243 is 342041331.

It is an interprime number because it is at equal distance from previous prime (133140233) and next prime (133140253).

It is not a de Polignac number, because 133140243 - 2⁹ = 133139731 is a prime.

It is not an unprimeable number, because it can be changed into a prime (133140233) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 84955 + ... + 86507.

It is an arithmetic number, because the mean of its divisors is an integer number (8032626).

Almost surely, 2^133140243 is an apocalyptic number.

133140243 is a deficient number, since it is larger than the sum of its proper divisors (59642781).

133140243 is a wasteful number, since it uses less digits than its factorization.

133140243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1655 (or 1614 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 133140243 is about 11538.6412978305. The cubic root of 133140243 is about 510.6262242145.

Adding to 133140243 its reverse (342041331), we get a palindrome (475181574).

The spelling of 133140243 in words is "one hundred thirty-three million, one hundred forty thousand, two hundred forty-three".