135904742 has 8 divisors (see below), whose sum is σ = 204322800. Its totient is φ = 67797144.

The previous prime is 135904733. The next prime is 135904751. The reversal of 135904742 is 247409531.

It is an interprime number because it is at equal distance from previous prime (135904733) and next prime (135904751).

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

It is a congruent number.

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, 76517 + ... + 78272.

It is an arithmetic number, because the mean of its divisors is an integer number (25540350).

Almost surely, 2^135904742 is an apocalyptic number.

135904742 is a deficient number, since it is larger than the sum of its proper divisors (68418058).

135904742 is a wasteful number, since it uses less digits than its factorization.

135904742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155230.

The product of its (nonzero) digits is 30240, while the sum is 35.

The square root of 135904742 is about 11657.8189212219. The cubic root of 135904742 is about 514.1362238422.

The spelling of 135904742 in words is "one hundred thirty-five million, nine hundred four thousand, seven hundred forty-two".