140805671246 has 8 divisors (see below), whose sum is σ = 218491558920. Its totient is φ = 67975151608.

The previous prime is 140805671189. The next prime is 140805671249. The reversal of 140805671246 is 642176508041.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 140805671197 and 140805671206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140805671249) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1213841936 + ... + 1213842051.

It is an arithmetic number, because the mean of its divisors is an integer number (27311444865).

Almost surely, 2^140805671246 is an apocalyptic number.

140805671246 is a deficient number, since it is larger than the sum of its proper divisors (77685887674).

140805671246 is a wasteful number, since it uses less digits than its factorization.

140805671246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2427684018.

The product of its (nonzero) digits is 322560, while the sum is 44.

The spelling of 140805671246 in words is "one hundred forty billion, eight hundred five million, six hundred seventy-one thousand, two hundred forty-six".