40150133 has 4 divisors (see below), whose sum is σ = 40299660. Its totient is φ = 40000608.

The previous prime is 40150109. The next prime is 40150147. The reversal of 40150133 is 33105104.

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

It can be written as a sum of positive squares in 2 ways, for example, as 18601969 + 21548164 = 4313^2 + 4642^2 .

It is a cyclic number.

It is not a de Polignac number, because 40150133 - 2¹⁸ = 39887989 is a prime.

It is a super-2 number, since 2×40150133² = 3224066359835378, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40150153) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74360 + ... + 74897.

It is an arithmetic number, because the mean of its divisors is an integer number (10074915).

Almost surely, 2^40150133 is an apocalyptic number.

It is an amenable number.

40150133 is a deficient number, since it is larger than the sum of its proper divisors (149527).

40150133 is a wasteful number, since it uses less digits than its factorization.

40150133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149526.

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 40150133 is about 6336.4132598813. The cubic root of 40150133 is about 342.4225281646.

Adding to 40150133 its reverse (33105104), we get a palindrome (73255237).

The spelling of 40150133 in words is "forty million, one hundred fifty thousand, one hundred thirty-three".