40507133 has 8 divisors (see below), whose sum is σ = 41259456. Its totient is φ = 39760000.

The previous prime is 40507127. The next prime is 40507151. The reversal of 40507133 is 33170504.

It is a happy number.

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

It is not a de Polignac number, because 40507133 - 2⁸ = 40506877 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40507099 and 40507108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40507153) 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, 16685 + ... + 18957.

It is an arithmetic number, because the mean of its divisors is an integer number (5157432).

Almost surely, 2^40507133 is an apocalyptic number.

It is an amenable number.

40507133 is a deficient number, since it is larger than the sum of its proper divisors (752323).

40507133 is a wasteful number, since it uses less digits than its factorization.

40507133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2595.

The product of its (nonzero) digits is 1260, while the sum is 23.

The square root of 40507133 is about 6364.5214274131. The cubic root of 40507133 is about 343.4344326854.

Adding to 40507133 its reverse (33170504), we get a palindrome (73677637).

The spelling of 40507133 in words is "forty million, five hundred seven thousand, one hundred thirty-three".