135890246 has 8 divisors (see below), whose sum is σ = 203941920. Its totient is φ = 67909608.

The previous prime is 135890243. The next prime is 135890257. The reversal of 135890246 is 642098531.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135890243) 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, 12686 + ... + 20801.

It is an arithmetic number, because the mean of its divisors is an integer number (25492740).

Almost surely, 2^135890246 is an apocalyptic number.

135890246 is a deficient number, since it is larger than the sum of its proper divisors (68051674).

135890246 is a wasteful number, since it uses less digits than its factorization.

135890246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35518.

The product of its (nonzero) digits is 51840, while the sum is 38.

The square root of 135890246 is about 11657.1971759939. The cubic root of 135890246 is about 514.1179434311.

The spelling of 135890246 in words is "one hundred thirty-five million, eight hundred ninety thousand, two hundred forty-six".