135746942 has 4 divisors (see below), whose sum is σ = 203620416. Its totient is φ = 67873470.

The previous prime is 135746927. The next prime is 135746953. The reversal of 135746942 is 249647531.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 249647531 = 7 ⋅35663933.

It is a self number, because there is not a number n which added to its sum of digits gives 135746942.

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, 33936734 + ... + 33936737.

It is an arithmetic number, because the mean of its divisors is an integer number (50905104).

Almost surely, 2^135746942 is an apocalyptic number.

135746942 is a deficient number, since it is larger than the sum of its proper divisors (67873474).

135746942 is an equidigital number, since it uses as much as digits as its factorization.

135746942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67873473.

The product of its digits is 181440, while the sum is 41.

The square root of 135746942 is about 11651.0489656511. The cubic root of 135746942 is about 513.9371576540.

The spelling of 135746942 in words is "one hundred thirty-five million, seven hundred forty-six thousand, nine hundred forty-two".