39140253 has 12 divisors (see below), whose sum is σ = 58630208. Its totient is φ = 26093340.

The previous prime is 39140251. The next prime is 39140263. The reversal of 39140253 is 35204193.

It is not a de Polignac number, because 39140253 - 2¹ = 39140251 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39140251) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 80293 + ... + 80778.

Almost surely, 2^39140253 is an apocalyptic number.

It is an amenable number.

39140253 is a deficient number, since it is larger than the sum of its proper divisors (19489955).

39140253 is an equidigital number, since it uses as much as digits as its factorization.

39140253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161086 (or 161074 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

The square root of 39140253 is about 6256.2171477659. The cubic root of 39140253 is about 339.5271772582.

It can be divided in two parts, 39140 and 253, that added together give a palindrome (39393).

The spelling of 39140253 in words is "thirty-nine million, one hundred forty thousand, two hundred fifty-three".