40135047 has 8 divisors (see below), whose sum is σ = 54959856. Its totient is φ = 26033472.

The previous prime is 40135037. The next prime is 40135063. The reversal of 40135047 is 74053104.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 40135047 - 2⁸ = 40134791 is a prime.

It is a super-2 number, since 2×40135047² = 3221643995384418, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40135027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 180678 + ... + 180899.

It is an arithmetic number, because the mean of its divisors is an integer number (6869982).

Almost surely, 2^40135047 is an apocalyptic number.

40135047 is a deficient number, since it is larger than the sum of its proper divisors (14824809).

40135047 is a wasteful number, since it uses less digits than its factorization.

40135047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 361617.

The product of its (nonzero) digits is 1680, while the sum is 24.

The square root of 40135047 is about 6335.2227269450. Note that the first 3 decimals coincide. The cubic root of 40135047 is about 342.3796355430.

The spelling of 40135047 in words is "forty million, one hundred thirty-five thousand, forty-seven".