40133151 has 24 divisors (see below), whose sum is σ = 60422544. Its totient is φ = 26619840.

The previous prime is 40133131. The next prime is 40133153. The reversal of 40133151 is 15133104.

It is not a de Polignac number, because 40133151 - 2²³ = 31744543 is a prime.

It is a super-2 number, since 2×40133151² = 3221339618377602, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40133153) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 76771 + ... + 77291.

It is an arithmetic number, because the mean of its divisors is an integer number (2517606).

Almost surely, 2^40133151 is an apocalyptic number.

40133151 is a deficient number, since it is larger than the sum of its proper divisors (20289393).

40133151 is an equidigital number, since it uses as much as digits as its factorization.

40133151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 853 (or 841 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 40133151 is about 6335.0730856084. The cubic root of 40133151 is about 342.3742440621.

Adding to 40133151 its reverse (15133104), we get a palindrome (55266255).

The spelling of 40133151 in words is "forty million, one hundred thirty-three thousand, one hundred fifty-one".