135501493 has 4 divisors (see below), whose sum is σ = 135526240. Its totient is φ = 135476748.

The previous prime is 135501491. The next prime is 135501503. The reversal of 135501493 is 394105531.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 135501493 - 2¹ = 135501491 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 (135501491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 105 + ... + 16462.

It is an arithmetic number, because the mean of its divisors is an integer number (33881560).

Almost surely, 2^135501493 is an apocalyptic number.

It is an amenable number.

135501493 is a deficient number, since it is larger than the sum of its proper divisors (24747).

135501493 is an equidigital number, since it uses as much as digits as its factorization.

135501493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24746.

The product of its (nonzero) digits is 8100, while the sum is 31.

The square root of 135501493 is about 11640.5108564874. The cubic root of 135501493 is about 513.6272145953.

The spelling of 135501493 in words is "one hundred thirty-five million, five hundred one thousand, four hundred ninety-three".