140273533 has 4 divisors (see below), whose sum is σ = 140375200. Its totient is φ = 140171868.

The previous prime is 140273513. The next prime is 140273591. The reversal of 140273533 is 335372041.

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: 335372041 = 83 ⋅4040627.

It is a cyclic number.

It is not a de Polignac number, because 140273533 - 2⁵ = 140273501 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 (140273513) 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, 48735 + ... + 51532.

It is an arithmetic number, because the mean of its divisors is an integer number (35093800).

Almost surely, 2^140273533 is an apocalyptic number.

It is an amenable number.

140273533 is a deficient number, since it is larger than the sum of its proper divisors (101667).

140273533 is a wasteful number, since it uses less digits than its factorization.

140273533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101666.

The product of its (nonzero) digits is 7560, while the sum is 28.

The square root of 140273533 is about 11843.7128046909. The cubic root of 140273533 is about 519.5873612524.

The spelling of 140273533 in words is "one hundred forty million, two hundred seventy-three thousand, five hundred thirty-three".