140838266613529 has 16 divisors (see below), whose sum is σ = 148497947794944. Its totient is φ = 133401872073600.

The previous prime is 140838266613503. The next prime is 140838266613557. The reversal of 140838266613529 is 925316662838041.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 140838266613529 - 2²³ = 140838258224921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140838266613559) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 237242494 + ... + 237835399.

It is an arithmetic number, because the mean of its divisors is an integer number (9281121737184).

Almost surely, 2^{140838266613529} is an apocalyptic number.

It is an amenable number.

140838266613529 is a deficient number, since it is larger than the sum of its proper divisors (7659681181415).

140838266613529 is a wasteful number, since it uses less digits than its factorization.

140838266613529 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 475078128.

The product of its (nonzero) digits is 89579520, while the sum is 64.

The spelling of 140838266613529 in words is "one hundred forty trillion, eight hundred thirty-eight billion, two hundred sixty-six million, six hundred thirteen thousand, five hundred twenty-nine".