40135122 has 32 divisors (see below), whose sum is σ = 89674560. Its totient is φ = 13305600.

The previous prime is 40135099. The next prime is 40135141. The reversal of 40135122 is 22153104.

It is a super-2 number, since 2×40135122² = 3221656035909768, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 40135095 and 40135104.

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, 8497 + ... + 12347.

It is an arithmetic number, because the mean of its divisors is an integer number (2802330).

Almost surely, 2^40135122 is an apocalyptic number.

40135122 is an abundant number, since it is smaller than the sum of its proper divisors (49539438).

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

40135122 is a wasteful number, since it uses less digits than its factorization.

40135122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4055 (or 4049 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 40135122 is about 6335.2286462290. The cubic root of 40135122 is about 342.3798488101.

Adding to 40135122 its reverse (22153104), we get a palindrome (62288226).

The spelling of 40135122 in words is "forty million, one hundred thirty-five thousand, one hundred twenty-two".