140461947428 has 12 divisors (see below), whose sum is σ = 268154626992. Its totient is φ = 63846339720.

The previous prime is 140461947421. The next prime is 140461947433. The reversal of 140461947428 is 824749164041.

It is not an unprimeable number, because it can be changed into a prime (140461947421) 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, 1596158450 + ... + 1596158537.

It is an arithmetic number, because the mean of its divisors is an integer number (22346218916).

Almost surely, 2^140461947428 is an apocalyptic number.

It is an amenable number.

140461947428 is a deficient number, since it is larger than the sum of its proper divisors (127692679564).

140461947428 is a wasteful number, since it uses less digits than its factorization.

140461947428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3192317002 (or 3192317000 counting only the distinct ones).

The product of its (nonzero) digits is 1548288, while the sum is 50.

The spelling of 140461947428 in words is "one hundred forty billion, four hundred sixty-one million, nine hundred forty-seven thousand, four hundred twenty-eight".