140388244851 has 16 divisors (see below), whose sum is σ = 191648577024. Its totient is φ = 91370071584.

The previous prime is 140388244849. The next prime is 140388244861. The reversal of 140388244851 is 158442883041.

It is a happy number.

It is not a de Polignac number, because 140388244851 - 2¹ = 140388244849 is a prime.

It is a super-3 number, since 3×140388244851³ (a number of 34 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 140388244851.

It is not an unprimeable number, because it can be changed into a prime (140388244831) 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, 1198005 + ... + 1309958.

It is an arithmetic number, because the mean of its divisors is an integer number (11978036064).

Almost surely, 2^140388244851 is an apocalyptic number.

140388244851 is a deficient number, since it is larger than the sum of its proper divisors (51260332173).

140388244851 is a wasteful number, since it uses less digits than its factorization.

140388244851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2508410.

The product of its (nonzero) digits is 983040, while the sum is 48.

The spelling of 140388244851 in words is "one hundred forty billion, three hundred eighty-eight million, two hundred forty-four thousand, eight hundred fifty-one".