40313153 has 4 divisors (see below), whose sum is σ = 40339140. Its totient is φ = 40287168.

The previous prime is 40313123. The next prime is 40313167. The reversal of 40313153 is 35131304.

It is a happy number.

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 23107249 + 17205904 = 4807^2 + 4148^2 .

It is a cyclic number.

It is not a de Polignac number, because 40313153 - 2⁸ = 40312897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40313123) 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, 10508 + ... + 13821.

It is an arithmetic number, because the mean of its divisors is an integer number (10084785).

Almost surely, 2^40313153 is an apocalyptic number.

It is an amenable number.

40313153 is a deficient number, since it is larger than the sum of its proper divisors (25987).

40313153 is a wasteful number, since it uses less digits than its factorization.

40313153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25986.

The product of its (nonzero) digits is 540, while the sum is 20.

The square root of 40313153 is about 6349.2639730917. The cubic root of 40313153 is about 342.8853439022.

Adding to 40313153 its reverse (35131304), we get a palindrome (75444457).

The spelling of 40313153 in words is "forty million, three hundred thirteen thousand, one hundred fifty-three".