40870135 has 16 divisors (see below), whose sum is σ = 51321600. Its totient is φ = 31204096.

The previous prime is 40870127. The next prime is 40870157. The reversal of 40870135 is 53107804.

It is a cyclic number.

It is not a de Polignac number, because 40870135 - 2³ = 40870127 is a prime.

It is a congruent number.

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, 11322 + ... + 14488.

It is an arithmetic number, because the mean of its divisors is an integer number (3207600).

Almost surely, 2^40870135 is an apocalyptic number.

40870135 is a deficient number, since it is larger than the sum of its proper divisors (10451465).

40870135 is a wasteful number, since it uses less digits than its factorization.

40870135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3290.

The product of its (nonzero) digits is 3360, while the sum is 28.

The square root of 40870135 is about 6392.9754418424. The cubic root of 40870135 is about 344.4572717118.

Adding to 40870135 its reverse (53107804), we get a palindrome (93977939).

The spelling of 40870135 in words is "forty million, eight hundred seventy thousand, one hundred thirty-five".