140094641 has 4 divisors (see below), whose sum is σ = 140127984. Its totient is φ = 140061300.

The previous prime is 140094631. The next prime is 140094677. The reversal of 140094641 is 146490041.

It is a happy number.

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 a de Polignac number, because none of the positive numbers 2^k-140094641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140094601) 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, 9275 + ... + 19136.

It is an arithmetic number, because the mean of its divisors is an integer number (35031996).

Almost surely, 2^140094641 is an apocalyptic number.

It is an amenable number.

140094641 is a deficient number, since it is larger than the sum of its proper divisors (33343).

140094641 is an equidigital number, since it uses as much as digits as its factorization.

140094641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33342.

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 140094641 is about 11836.1582027278. The cubic root of 140094641 is about 519.3663892662.

The spelling of 140094641 in words is "one hundred forty million, ninety-four thousand, six hundred forty-one".