140023587 has 8 divisors (see below), whose sum is σ = 203670720. Its totient is φ = 84862760.

The previous prime is 140023561. The next prime is 140023627. The reversal of 140023587 is 785320041.

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

It is a cyclic number.

It is not a de Polignac number, because 140023587 - 2⁷ = 140023459 is a prime.

It is not an unprimeable number, because it can be changed into a prime (140021587) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2121537 + ... + 2121602.

It is an arithmetic number, because the mean of its divisors is an integer number (25458840).

Almost surely, 2^140023587 is an apocalyptic number.

140023587 is a deficient number, since it is larger than the sum of its proper divisors (63647133).

140023587 is a wasteful number, since it uses less digits than its factorization.

140023587 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4243153.

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 140023587 is about 11833.1562568911. The cubic root of 140023587 is about 519.2785693472.

The spelling of 140023587 in words is "one hundred forty million, twenty-three thousand, five hundred eighty-seven".