40314137 has 4 divisors (see below), whose sum is σ = 40362036. Its totient is φ = 40266240.

The previous prime is 40314133. The next prime is 40314139. The reversal of 40314137 is 73141304.

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 22429696 + 17884441 = 4736^2 + 4229^2 .

It is a cyclic number.

It is not a de Polignac number, because 40314137 - 2² = 40314133 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40314133) 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, 22664 + ... + 24377.

It is an arithmetic number, because the mean of its divisors is an integer number (10090509).

Almost surely, 2^40314137 is an apocalyptic number.

It is an amenable number.

40314137 is a deficient number, since it is larger than the sum of its proper divisors (47899).

40314137 is an equidigital number, since it uses as much as digits as its factorization.

40314137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47898.

The product of its (nonzero) digits is 1008, while the sum is 23.

The square root of 40314137 is about 6349.3414619156. The cubic root of 40314137 is about 342.8881336983. Note that the first 3 decimals are identical.

The spelling of 40314137 in words is "forty million, three hundred fourteen thousand, one hundred thirty-seven".