135890344 has 16 divisors (see below), whose sum is σ = 261681300. Its totient is φ = 66108672.

The previous prime is 135890323. The next prime is 135890351. The reversal of 135890344 is 443098531.

It can be written as a sum of positive squares in 2 ways, for example, as 130827844 + 5062500 = 11438^2 + 2250^2 .

It is a Harshad number since it is a multiple of its sum of digits (37).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 229249 + ... + 229840.

Almost surely, 2^135890344 is an apocalyptic number.

It is an amenable number.

135890344 is a deficient number, since it is larger than the sum of its proper divisors (125790956).

135890344 is a wasteful number, since it uses less digits than its factorization.

135890344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 459132 (or 459128 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 37.

The square root of 135890344 is about 11657.2013794049. The cubic root of 135890344 is about 514.1180670199.

The spelling of 135890344 in words is "one hundred thirty-five million, eight hundred ninety thousand, three hundred forty-four".