140947946 has 16 divisors (see below), whose sum is σ = 220298400. Its totient is φ = 67550448.

The previous prime is 140947931. The next prime is 140947987. The reversal of 140947946 is 649749041.

140947946 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 140947897 and 140947906.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 680 + ... + 16803.

It is an arithmetic number, because the mean of its divisors is an integer number (13768650).

Almost surely, 2^140947946 is an apocalyptic number.

140947946 is a deficient number, since it is larger than the sum of its proper divisors (79350454).

140947946 is a wasteful number, since it uses less digits than its factorization.

140947946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17653.

The product of its (nonzero) digits is 217728, while the sum is 44.

The square root of 140947946 is about 11872.1500158986. The cubic root of 140947946 is about 520.4187283117.

The spelling of 140947946 in words is "one hundred forty million, nine hundred forty-seven thousand, nine hundred forty-six".