140026293 has 64 divisors (see below), whose sum is σ = 235699200. Its totient is φ = 81432000.

The previous prime is 140026247. The next prime is 140026303. The reversal of 140026293 is 392620041.

It is a de Polignac number, because none of the positive numbers 2^k-140026293 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140026213) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1068838 + ... + 1068968.

It is an arithmetic number, because the mean of its divisors is an integer number (3682800).

Almost surely, 2^140026293 is an apocalyptic number.

It is an amenable number.

140026293 is a deficient number, since it is larger than the sum of its proper divisors (95672907).

140026293 is a wasteful number, since it uses less digits than its factorization.

140026293 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271 (or 265 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 140026293 is about 11833.2705960778. The cubic root of 140026293 is about 519.2819143997.

The spelling of 140026293 in words is "one hundred forty million, twenty-six thousand, two hundred ninety-three".