140994993049 has 9 divisors (see below), whose sum is σ = 141474619989. Its totient is φ = 140516990460.

The previous prime is 140994992993. The next prime is 140994993059. The reversal of 140994993049 is 940399499041.

The square root of 140994993049 is 375493.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 140994993049 - 2¹⁷ = 140994861977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140994993059) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 173852854 + ... + 173853664.

It is an arithmetic number, because the mean of its divisors is an integer number (15719402221).

Almost surely, 2^140994993049 is an apocalyptic number.

140994993049 is the 375493-rd square number.

140994993049 is the 187747-th centered octagonal number.

It is an amenable number.

140994993049 is a deficient number, since it is larger than the sum of its proper divisors (479626940).

140994993049 is an frugal number, since it uses more digits than its factorization.

140994993049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2548 (or 1274 counting only the distinct ones).

The product of its (nonzero) digits is 11337408, while the sum is 61.

The spelling of 140994993049 in words is "one hundred forty billion, nine hundred ninety-four million, nine hundred ninety-three thousand, forty-nine".