40712133 has 16 divisors (see below), whose sum is σ = 67677696. Its totient is φ = 21149040.

The previous prime is 40712131. The next prime is 40712159. The reversal of 40712133 is 33121704.

It is not a de Polignac number, because 40712133 - 2¹ = 40712131 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40712131) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 87891 + ... + 88352.

It is an arithmetic number, because the mean of its divisors is an integer number (4229856).

Almost surely, 2^40712133 is an apocalyptic number.

It is an amenable number.

40712133 is a deficient number, since it is larger than the sum of its proper divisors (26965563).

40712133 is a wasteful number, since it uses less digits than its factorization.

40712133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176264.

The product of its (nonzero) digits is 504, while the sum is 21.

The square root of 40712133 is about 6380.6060057020. The cubic root of 40712133 is about 344.0128133185.

Adding to 40712133 its reverse (33121704), we get a palindrome (73833837).

The spelling of 40712133 in words is "forty million, seven hundred twelve thousand, one hundred thirty-three".