140597073 has 16 divisors (see below), whose sum is σ = 208474560. Its totient is φ = 93649248.

The previous prime is 140597053. The next prime is 140597081. The reversal of 140597073 is 370795041.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-140597073 is a prime.

It is not an unprimeable number, because it can be changed into a prime (140597053) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60061 + ... + 62357.

It is an arithmetic number, because the mean of its divisors is an integer number (13029660).

Almost surely, 2^140597073 is an apocalyptic number.

It is an amenable number.

140597073 is a deficient number, since it is larger than the sum of its proper divisors (67877487).

140597073 is a wasteful number, since it uses less digits than its factorization.

140597073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4573 (or 4567 counting only the distinct ones).

The product of its (nonzero) digits is 26460, while the sum is 36.

The square root of 140597073 is about 11857.3636614553. The cubic root of 140597073 is about 519.9865294834.

The spelling of 140597073 in words is "one hundred forty million, five hundred ninety-seven thousand, seventy-three".