140042701 has 4 divisors (see below), whose sum is σ = 143299552. Its totient is φ = 136785852.

The previous prime is 140042687. The next prime is 140042713. The reversal of 140042701 is 107240041.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 140042701 - 2²⁵ = 106488269 is a prime.

It is a super-2 number, since 2×140042701² = 39223916206750802, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140042741) 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, 1628361 + ... + 1628446.

It is an arithmetic number, because the mean of its divisors is an integer number (35824888).

Almost surely, 2^140042701 is an apocalyptic number.

It is an amenable number.

140042701 is a deficient number, since it is larger than the sum of its proper divisors (3256851).

140042701 is an equidigital number, since it uses as much as digits as its factorization.

140042701 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3256850.

The product of its (nonzero) digits is 224, while the sum is 19.

The square root of 140042701 is about 11833.9638752195. The cubic root of 140042701 is about 519.3021964118.

Adding to 140042701 its reverse (107240041), we get a palindrome (247282742).

The spelling of 140042701 in words is "one hundred forty million, forty-two thousand, seven hundred one".