135969942 has 8 divisors (see below), whose sum is σ = 271939896. Its totient is φ = 45323312.

The previous prime is 135969941. The next prime is 135969943. The reversal of 135969942 is 249969531.

135969942 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (135969941) and next prime (135969943).

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

135969942 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 135969891 and 135969900.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135969941) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 11330823 + ... + 11330834.

It is an arithmetic number, because the mean of its divisors is an integer number (33992487).

Almost surely, 2^135969942 is an apocalyptic number.

135969942 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

135969942 is a wasteful number, since it uses less digits than its factorization.

135969942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22661662.

The product of its digits is 524880, while the sum is 48.

The square root of 135969942 is about 11660.6149923578. The cubic root of 135969942 is about 514.2184292705.

The spelling of 135969942 in words is "one hundred thirty-five million, nine hundred sixty-nine thousand, nine hundred forty-two".