140001451 has 8 divisors (see below), whose sum is σ = 144033984. Its totient is φ = 135982080.

The previous prime is 140001439. The next prime is 140001541. The reversal of 140001451 is 154100041.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-140001451 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140001401) 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, 20766 + ... + 26668.

It is an arithmetic number, because the mean of its divisors is an integer number (18004248).

Almost surely, 2^140001451 is an apocalyptic number.

140001451 is a deficient number, since it is larger than the sum of its proper divisors (4032533).

140001451 is an equidigital number, since it uses as much as digits as its factorization.

140001451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6581.

The product of its (nonzero) digits is 80, while the sum is 16.

The square root of 140001451 is about 11832.2208819815. The cubic root of 140001451 is about 519.2512040620.

Adding to 140001451 its reverse (154100041), we get a palindrome (294101492).

It can be divided in two parts, 14000 and 1451, that added together give a palindrome (15451).

The spelling of 140001451 in words is "one hundred forty million, one thousand, four hundred fifty-one".