140131533 has 4 divisors (see below), whose sum is σ = 186842048. Its totient is φ = 93421020.

The previous prime is 140131531. The next prime is 140131547. The reversal of 140131533 is 335131041.

140131533 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 not a de Polignac number, because 140131533 - 2¹ = 140131531 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 (140131531) 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, 23355253 + ... + 23355258.

It is an arithmetic number, because the mean of its divisors is an integer number (46710512).

Almost surely, 2^140131533 is an apocalyptic number.

It is an amenable number.

140131533 is a deficient number, since it is larger than the sum of its proper divisors (46710515).

140131533 is an equidigital number, since it uses as much as digits as its factorization.

140131533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46710514.

The product of its (nonzero) digits is 540, while the sum is 21.

The square root of 140131533 is about 11837.7165450099. The cubic root of 140131533 is about 519.4119746007.

Adding to 140131533 its reverse (335131041), we get a palindrome (475262574).

The spelling of 140131533 in words is "one hundred forty million, one hundred thirty-one thousand, five hundred thirty-three".