40229135 has 4 divisors (see below), whose sum is σ = 48274968. Its totient is φ = 32183304.

The previous prime is 40229129. The next prime is 40229141. The reversal of 40229135 is 53192204.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (40229129) and next prime (40229141).

It is a cyclic number.

It is not a de Polignac number, because 40229135 - 2⁶ = 40229071 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4022909 + ... + 4022918.

It is an arithmetic number, because the mean of its divisors is an integer number (12068742).

Almost surely, 2^40229135 is an apocalyptic number.

40229135 is a deficient number, since it is larger than the sum of its proper divisors (8045833).

40229135 is an equidigital number, since it uses as much as digits as its factorization.

40229135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8045832.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 40229135 is about 6342.6441646998. The cubic root of 40229135 is about 342.6469719276.

The spelling of 40229135 in words is "forty million, two hundred twenty-nine thousand, one hundred thirty-five".