39140534 has 8 divisors (see below), whose sum is σ = 58752120. Its totient is φ = 19556496.

The previous prime is 39140533. The next prime is 39140537. The reversal of 39140534 is 43504193.

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

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 39140497 and 39140506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39140531) 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, 2864 + ... + 9299.

It is an arithmetic number, because the mean of its divisors is an integer number (7344015).

Almost surely, 2^39140534 is an apocalyptic number.

39140534 is a deficient number, since it is larger than the sum of its proper divisors (19611586).

39140534 is a wasteful number, since it uses less digits than its factorization.

39140534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13774.

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 39140534 is about 6256.2396053860. The cubic root of 39140534 is about 339.5279897798.

The spelling of 39140534 in words is "thirty-nine million, one hundred forty thousand, five hundred thirty-four".