136493242 has 8 divisors (see below), whose sum is σ = 205590132. Its totient is φ = 67963200.

The previous prime is 136493213. The next prime is 136493261. The reversal of 136493242 is 242394631.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 126765081 + 9728161 = 11259^2 + 3119^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×136493242² = 37260810223341128, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 136493198 and 136493207.

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, 141109 + ... + 142072.

Almost surely, 2^136493242 is an apocalyptic number.

136493242 is a deficient number, since it is larger than the sum of its proper divisors (69096890).

136493242 is a wasteful number, since it uses less digits than its factorization.

136493242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 283424.

The product of its digits is 31104, while the sum is 34.

The square root of 136493242 is about 11683.0322262673. The cubic root of 136493242 is about 514.8772661307.

The spelling of 136493242 in words is "one hundred thirty-six million, four hundred ninety-three thousand, two hundred forty-two".