140809346950 has 48 divisors (see below), whose sum is σ = 268835137200. Its totient is φ = 54851760000.

The previous prime is 140809346929. The next prime is 140809346987. The reversal of 140809346950 is 59643908041.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 140809346894 and 140809346903.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 79501 + ... + 536599.

It is an arithmetic number, because the mean of its divisors is an integer number (5600732025).

Almost surely, 2^140809346950 is an apocalyptic number.

140809346950 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

140809346950 is a deficient number, since it is larger than the sum of its proper divisors (128025790250).

140809346950 is a wasteful number, since it uses less digits than its factorization.

140809346950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 457273 (or 457268 counting only the distinct ones).

The product of its (nonzero) digits is 933120, while the sum is 49.

The spelling of 140809346950 in words is "one hundred forty billion, eight hundred nine million, three hundred forty-six thousand, nine hundred fifty".