140354973 has 12 divisors (see below), whose sum is σ = 221165568. Its totient is φ = 85063560.

The previous prime is 140354969. The next prime is 140354987. The reversal of 140354973 is 379453041.

140354973 is a `hidden beast` number, since 1 + 40 + 3 + 549 + 73 = 666.

It is not a de Polignac number, because 140354973 - 2² = 140354969 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140355973) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 708765 + ... + 708962.

It is an arithmetic number, because the mean of its divisors is an integer number (18430464).

Almost surely, 2^140354973 is an apocalyptic number.

It is an amenable number.

140354973 is a deficient number, since it is larger than the sum of its proper divisors (80810595).

140354973 is a wasteful number, since it uses less digits than its factorization.

140354973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1417744 (or 1417741 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 36.

The square root of 140354973 is about 11847.1504168724. The cubic root of 140354973 is about 519.6878957992.

The spelling of 140354973 in words is "one hundred forty million, three hundred fifty-four thousand, nine hundred seventy-three".