135718492 has 144 divisors (see below), whose sum is σ = 324656640. Its totient is φ = 48432384.

The previous prime is 135718459. The next prime is 135718511. The reversal of 135718492 is 294817531.

It is a congruent number.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 3156223 + ... + 3156265.

It is an arithmetic number, because the mean of its divisors is an integer number (2254560).

Almost surely, 2^135718492 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 135718492, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (162328320).

135718492 is an abundant number, since it is smaller than the sum of its proper divisors (188938148).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

135718492 is a wasteful number, since it uses less digits than its factorization.

135718492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132 (or 117 counting only the distinct ones).

The product of its digits is 60480, while the sum is 40.

The square root of 135718492 is about 11649.8279815626. The cubic root of 135718492 is about 513.9012512988.

The spelling of 135718492 in words is "one hundred thirty-five million, seven hundred eighteen thousand, four hundred ninety-two".