140601407 has 4 divisors (see below), whose sum is σ = 148872096. Its totient is φ = 132330720.

The previous prime is 140601379. The next prime is 140601413. The reversal of 140601407 is 704106041.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 140601407 - 2²⁶ = 73492543 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140601437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4135319 + ... + 4135352.

It is an arithmetic number, because the mean of its divisors is an integer number (37218024).

Almost surely, 2^140601407 is an apocalyptic number.

140601407 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

140601407 is a deficient number, since it is larger than the sum of its proper divisors (8270689).

140601407 is an equidigital number, since it uses as much as digits as its factorization.

140601407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8270688.

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 140601407 is about 11857.5464156798. The cubic root of 140601407 is about 519.9918724075.

Adding to 140601407 its reverse (704106041), we get a palindrome (844707448).

The spelling of 140601407 in words is "one hundred forty million, six hundred one thousand, four hundred seven".