135490943 has 16 divisors (see below), whose sum is σ = 159323136. Its totient is φ = 112825440.

The previous prime is 135490921. The next prime is 135490961. The reversal of 135490943 is 349094531.

It is not a de Polignac number, because 135490943 - 2⁸ = 135490687 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 135490897 and 135490906.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135490913) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33530 + ... + 37352.

It is an arithmetic number, because the mean of its divisors is an integer number (9957696).

Almost surely, 2^135490943 is an apocalyptic number.

135490943 is a deficient number, since it is larger than the sum of its proper divisors (23832193).

135490943 is an equidigital number, since it uses as much as digits as its factorization.

135490943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3974.

The product of its (nonzero) digits is 58320, while the sum is 38.

The square root of 135490943 is about 11640.0576888605. The cubic root of 135490943 is about 513.6138840958.

The spelling of 135490943 in words is "one hundred thirty-five million, four hundred ninety thousand, nine hundred forty-three".