135140122 has 32 divisors (see below), whose sum is σ = 233089920. Its totient is φ = 58242240.

The previous prime is 135140119. The next prime is 135140143. The reversal of 135140122 is 221041531.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a self number, because there is not a number n which added to its sum of digits gives 135140122.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33148 + ... + 37000.

It is an arithmetic number, because the mean of its divisors is an integer number (7284060).

Almost surely, 2^135140122 is an apocalyptic number.

135140122 is a deficient number, since it is larger than the sum of its proper divisors (97949798).

135140122 is a wasteful number, since it uses less digits than its factorization.

135140122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3958.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 135140122 is about 11624.9783655713. The cubic root of 135140122 is about 513.1702080020.

Adding to 135140122 its reverse (221041531), we get a palindrome (356181653).

The spelling of 135140122 in words is "one hundred thirty-five million, one hundred forty thousand, one hundred twenty-two".