140266541 has 16 divisors (see below), whose sum is σ = 152539200. Its totient is φ = 128487168.

The previous prime is 140266517. The next prime is 140266549. The reversal of 140266541 is 145662041.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-140266541 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 (140266549) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 108686 + ... + 109968.

It is an arithmetic number, because the mean of its divisors is an integer number (9533700).

Almost surely, 2^140266541 is an apocalyptic number.

It is an amenable number.

140266541 is a deficient number, since it is larger than the sum of its proper divisors (12272659).

140266541 is a wasteful number, since it uses less digits than its factorization.

140266541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1468.

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 140266541 is about 11843.4176233045. The cubic root of 140266541 is about 519.5787280837.

The spelling of 140266541 in words is "one hundred forty million, two hundred sixty-six thousand, five hundred forty-one".