135166246 has 4 divisors (see below), whose sum is σ = 202749372. Its totient is φ = 67583122.

The previous prime is 135166189. The next prime is 135166259. The reversal of 135166246 is 642661531.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 642661531 = 43 ⋅14945617.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33791560 + ... + 33791563.

It is an arithmetic number, because the mean of its divisors is an integer number (50687343).

Almost surely, 2^135166246 is an apocalyptic number.

135166246 is a deficient number, since it is larger than the sum of its proper divisors (67583126).

135166246 is an equidigital number, since it uses as much as digits as its factorization.

135166246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67583125.

The product of its digits is 25920, while the sum is 34.

The square root of 135166246 is about 11626.1019262692. The cubic root of 135166246 is about 513.2032729289.

The spelling of 135166246 in words is "one hundred thirty-five million, one hundred sixty-six thousand, two hundred forty-six".