40149113 has 4 divisors (see below), whose sum is σ = 40170228. Its totient is φ = 40128000.

The previous prime is 40149101. The next prime is 40149133. The reversal of 40149113 is 31194104.

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 1857769 + 38291344 = 1363^2 + 6188^2 .

It is a cyclic number.

It is not a de Polignac number, because 40149113 - 2⁴ = 40149097 is a prime.

It is a super-2 number, since 2×40149113² = 3223902549373538, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40149133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7388 + ... + 11613.

It is an arithmetic number, because the mean of its divisors is an integer number (10042557).

Almost surely, 2^40149113 is an apocalyptic number.

It is an amenable number.

40149113 is a deficient number, since it is larger than the sum of its proper divisors (21115).

40149113 is a wasteful number, since it uses less digits than its factorization.

40149113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21114.

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 40149113 is about 6336.3327721956. The cubic root of 40149113 is about 342.4196284321.

The spelling of 40149113 in words is "forty million, one hundred forty-nine thousand, one hundred thirteen".