135493293 has 16 divisors (see below), whose sum is σ = 194987520. Its totient is φ = 83194944.

The previous prime is 135493289. The next prime is 135493331. The reversal of 135493293 is 392394531.

135493293 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 135493293 - 2² = 135493289 is a prime.

It is a super-3 number, since 3×135493293³ (a number of 25 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135493243) 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, 15055 + ... + 22307.

It is an arithmetic number, because the mean of its divisors is an integer number (12186720).

Almost surely, 2^135493293 is an apocalyptic number.

135493293 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

135493293 is a deficient number, since it is larger than the sum of its proper divisors (59494227).

135493293 is a wasteful number, since it uses less digits than its factorization.

135493293 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7748.

The product of its digits is 87480, while the sum is 39.

The square root of 135493293 is about 11640.1586329397. The cubic root of 135493293 is about 513.6168535087.

The spelling of 135493293 in words is "one hundred thirty-five million, four hundred ninety-three thousand, two hundred ninety-three".