40854137 has 8 divisors (see below), whose sum is σ = 41647200. Its totient is φ = 40064544.

The previous prime is 40854131. The next prime is 40854217. The reversal of 40854137 is 73145804.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 40854137 - 2¹² = 40850041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40854131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43133 + ... + 44069.

It is an arithmetic number, because the mean of its divisors is an integer number (5205900).

Almost surely, 2^40854137 is an apocalyptic number.

It is an amenable number.

40854137 is a deficient number, since it is larger than the sum of its proper divisors (793063).

40854137 is an equidigital number, since it uses as much as digits as its factorization.

40854137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1735.

The product of its (nonzero) digits is 13440, while the sum is 32.

The square root of 40854137 is about 6391.7241023060. The cubic root of 40854137 is about 344.4123216392.

It can be divided in two parts, 408 and 54137, that added together give a palindrome (54545).

The spelling of 40854137 in words is "forty million, eight hundred fifty-four thousand, one hundred thirty-seven".