140340783 has 16 divisors (see below), whose sum is σ = 214876800. Its totient is φ = 80578080.

The previous prime is 140340769. The next prime is 140340803. The reversal of 140340783 is 387043041.

It is not a de Polignac number, because 140340783 - 2⁹ = 140340271 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 140340783.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140340743) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 111288 + ... + 112541.

It is an arithmetic number, because the mean of its divisors is an integer number (13429800).

Almost surely, 2^140340783 is an apocalyptic number.

140340783 is a deficient number, since it is larger than the sum of its proper divisors (74536017).

140340783 is a wasteful number, since it uses less digits than its factorization.

140340783 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223862.

The product of its (nonzero) digits is 8064, while the sum is 30.

The square root of 140340783 is about 11846.5515235447. The cubic root of 140340783 is about 519.6703815883.

The spelling of 140340783 in words is "one hundred forty million, three hundred forty thousand, seven hundred eighty-three".