135169092 has 18 divisors (see below), whose sum is σ = 341677518. Its totient is φ = 45056352.

The previous prime is 135169037. The next prime is 135169093. The reversal of 135169092 is 290961531.

It can be written as a sum of positive squares in only one way, i.e., 74235456 + 60933636 = 8616^2 + 7806^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 3754697 = 135169092 / (1 + 3 + 5 + 1 + 6 + 9 + 0 + 9 + 2).

It is not an unprimeable number, because it can be changed into a prime (135169093) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1877313 + ... + 1877384.

Almost surely, 2^135169092 is an apocalyptic number.

135169092 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

135169092 is an abundant number, since it is smaller than the sum of its proper divisors (206508426).

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

135169092 is a wasteful number, since it uses less digits than its factorization.

135169092 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3754707 (or 3754702 counting only the distinct ones).

The product of its (nonzero) digits is 14580, while the sum is 36.

The square root of 135169092 is about 11626.2243226251. The cubic root of 135169092 is about 513.2068748298.

The spelling of 135169092 in words is "one hundred thirty-five million, one hundred sixty-nine thousand, ninety-two".