140003001 has 24 divisors (see below), whose sum is σ = 222131520. Its totient is φ = 84576096.

The previous prime is 140002997. The next prime is 140003011. The reversal of 140003001 is 100300041.

It is not a de Polignac number, because 140003001 - 2² = 140002997 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is not an unprimeable number, because it can be changed into a prime (140003011) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13866 + ... + 21731.

It is an arithmetic number, because the mean of its divisors is an integer number (9255480).

Almost surely, 2^140003001 is an apocalyptic number.

It is an amenable number.

140003001 is a deficient number, since it is larger than the sum of its proper divisors (82128519).

140003001 is a wasteful number, since it uses less digits than its factorization.

140003001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35645 (or 35642 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

The square root of 140003001 is about 11832.2863809156. The cubic root of 140003001 is about 519.2531203193.

Adding to 140003001 its reverse (100300041), we get a palindrome (240303042).

The spelling of 140003001 in words is "one hundred forty million, three thousand, one".