140740141 has 4 divisors (see below), whose sum is σ = 141752800. Its totient is φ = 139727484.

The previous prime is 140740121. The next prime is 140740147. The reversal of 140740141 is 141047041.

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, and also an emirpimes, since its reverse is a distinct semiprime: 141047041 = 2699 ⋅52259.

It is a cyclic number.

It is not a de Polignac number, because 140740141 - 2¹¹ = 140738093 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 (140740147) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 506121 + ... + 506398.

It is an arithmetic number, because the mean of its divisors is an integer number (35438200).

Almost surely, 2^140740141 is an apocalyptic number.

It is an amenable number.

140740141 is a deficient number, since it is larger than the sum of its proper divisors (1012659).

140740141 is a wasteful number, since it uses less digits than its factorization.

140740141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1012658.

The product of its (nonzero) digits is 448, while the sum is 22.

The square root of 140740141 is about 11863.3950031178. The cubic root of 140740141 is about 520.1628447078.

Adding to 140740141 its reverse (141047041), we get a palindrome (281787182).

The spelling of 140740141 in words is "one hundred forty million, seven hundred forty thousand, one hundred forty-one".