135419293 has 4 divisors (see below), whose sum is σ = 137974428. Its totient is φ = 132864160.

The previous prime is 135419287. The next prime is 135419309. The reversal of 135419293 is 392914531.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 82682649 + 52736644 = 9093^2 + 7262^2 .

It is a cyclic number.

It is not a de Polignac number, because 135419293 - 2⁹ = 135418781 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135419233) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1277488 + ... + 1277593.

It is an arithmetic number, because the mean of its divisors is an integer number (34493607).

Almost surely, 2^135419293 is an apocalyptic number.

It is an amenable number.

135419293 is a deficient number, since it is larger than the sum of its proper divisors (2555135).

135419293 is an equidigital number, since it uses as much as digits as its factorization.

135419293 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2555134.

The product of its digits is 29160, while the sum is 37.

The square root of 135419293 is about 11636.9795479755. The cubic root of 135419293 is about 513.5233321057.

The spelling of 135419293 in words is "one hundred thirty-five million, four hundred nineteen thousand, two hundred ninety-three".