140267001 has 8 divisors (see below), whose sum is σ = 213740224. Its totient is φ = 80152560.

The previous prime is 140266981. The next prime is 140267003. The reversal of 140267001 is 100762041.

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

It is not a de Polignac number, because 140267001 - 2¹³ = 140258809 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 6679381 = 140267001 / (1 + 4 + 0 + 2 + 6 + 7 + 0 + 0 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140267003) 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, 3339670 + ... + 3339711.

It is an arithmetic number, because the mean of its divisors is an integer number (26717528).

Almost surely, 2^140267001 is an apocalyptic number.

It is an amenable number.

140267001 is a deficient number, since it is larger than the sum of its proper divisors (73473223).

140267001 is an equidigital number, since it uses as much as digits as its factorization.

140267001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6679391.

The product of its (nonzero) digits is 336, while the sum is 21.

The square root of 140267001 is about 11843.4370433587. The cubic root of 140267001 is about 519.5792960642.

The spelling of 140267001 in words is "one hundred forty million, two hundred sixty-seven thousand, one".