140141001 has 64 divisors (see below), whose sum is σ = 261918720. Its totient is φ = 64247040.

The previous prime is 140140997. The next prime is 140141033. The reversal of 140141001 is 100141041.

It is not a de Polignac number, because 140141001 - 2² = 140140997 is a prime.

It is a super-2 number, since 2×140141001² = 39279000322564002, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (140143001) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 68055 + ... + 70083.

It is an arithmetic number, because the mean of its divisors is an integer number (4092480).

Almost surely, 2^140141001 is an apocalyptic number.

140141001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

140141001 is a deficient number, since it is larger than the sum of its proper divisors (121777719).

140141001 is a wasteful number, since it uses less digits than its factorization.

140141001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2086.

The product of its (nonzero) digits is 16, while the sum is 12.

The square root of 140141001 is about 11838.1164464622. The cubic root of 140141001 is about 519.4236723766.

Adding to 140141001 its reverse (100141041), we get a palindrome (240282042).

It can be divided in two parts, 140 and 141001, that added together give a palindrome (141141).

The spelling of 140141001 in words is "one hundred forty million, one hundred forty-one thousand, one".