140064001 has 24 divisors (see below), whose sum is σ = 181134144. Its totient is φ = 107059680.

The previous prime is 140063999. The next prime is 140064007. The reversal of 140064001 is 100460041.

It is a happy number.

It is not a de Polignac number, because 140064001 - 2¹ = 140063999 is a prime.

It is a super-2 number, since 2×140064001² = 39235848752256002, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140064007) 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, 26116 + ... + 31018.

It is an arithmetic number, because the mean of its divisors is an integer number (7547256).

Almost surely, 2^140064001 is an apocalyptic number.

140064001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

140064001 is a deficient number, since it is larger than the sum of its proper divisors (41070143).

140064001 is a wasteful number, since it uses less digits than its factorization.

140064001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4981 (or 4974 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 140064001 is about 11834.8637930481. The cubic root of 140064001 is about 519.3285230868.

The spelling of 140064001 in words is "one hundred forty million, sixty-four thousand, one".