140450013 has 12 divisors (see below), whose sum is σ = 221315328. Its totient is φ = 85121160.

The previous prime is 140449993. The next prime is 140450047. The reversal of 140450013 is 310054041.

It is a happy number.

It is not a de Polignac number, because 140450013 - 2⁶ = 140449949 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140450813) 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, 709245 + ... + 709442.

It is an arithmetic number, because the mean of its divisors is an integer number (18442944).

Almost surely, 2^140450013 is an apocalyptic number.

It is an amenable number.

140450013 is a deficient number, since it is larger than the sum of its proper divisors (80865315).

140450013 is a wasteful number, since it uses less digits than its factorization.

140450013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1418704 (or 1418701 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 140450013 is about 11851.1608292184. The cubic root of 140450013 is about 519.8051698616.

The spelling of 140450013 in words is "one hundred forty million, four hundred fifty thousand, thirteen".