40739137 has 4 divisors (see below), whose sum is σ = 40811056. Its totient is φ = 40667220.

The previous prime is 40739131. The next prime is 40739143. The reversal of 40739137 is 73193704.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (40739131) and next prime (40739143).

It is a cyclic number.

It is not a de Polignac number, because 40739137 - 2³ = 40739129 is a prime.

It is a super-3 number, since 3×40739137³ (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40739131) 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, 35103 + ... + 36244.

It is an arithmetic number, because the mean of its divisors is an integer number (10202764).

Almost surely, 2^40739137 is an apocalyptic number.

It is an amenable number.

40739137 is a deficient number, since it is larger than the sum of its proper divisors (71919).

40739137 is an equidigital number, since it uses as much as digits as its factorization.

40739137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71918.

The product of its (nonzero) digits is 15876, while the sum is 34.

The square root of 40739137 is about 6382.7217548629. The cubic root of 40739137 is about 344.0888567332.

The spelling of 40739137 in words is "forty million, seven hundred thirty-nine thousand, one hundred thirty-seven".