135169946 has 8 divisors (see below), whose sum is σ = 203070240. Its totient is φ = 67479868.

The previous prime is 135169943. The next prime is 135169949. The reversal of 135169946 is 649961531.

It is an interprime number because it is at equal distance from previous prime (135169943) and next prime (135169949).

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

It is a junction number, because it is equal to n+sod(n) for n = 135169897 and 135169906.

It is not an unprimeable number, because it can be changed into a prime (135169943) 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, 50936 + ... + 53523.

It is an arithmetic number, because the mean of its divisors is an integer number (25383780).

Almost surely, 2^135169946 is an apocalyptic number.

135169946 is a deficient number, since it is larger than the sum of its proper divisors (67900294).

135169946 is a wasteful number, since it uses less digits than its factorization.

135169946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105108.

The product of its digits is 174960, while the sum is 44.

The square root of 135169946 is about 11626.2610498819. The cubic root of 135169946 is about 513.2079556433.

The spelling of 135169946 in words is "one hundred thirty-five million, one hundred sixty-nine thousand, nine hundred forty-six".