140133652 has 24 divisors (see below), whose sum is σ = 266682024. Its totient is φ = 64161792.

The previous prime is 140133599. The next prime is 140133661. The reversal of 140133652 is 256331041.

It can be written as a sum of positive squares in 4 ways, for example, as 117418896 + 22714756 = 10836^2 + 4766^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25333 + ... + 30364.

It is an arithmetic number, because the mean of its divisors is an integer number (11111751).

Almost surely, 2^140133652 is an apocalyptic number.

It is an amenable number.

140133652 is a deficient number, since it is larger than the sum of its proper divisors (126548372).

140133652 is a wasteful number, since it uses less digits than its factorization.

140133652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55755 (or 55753 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 140133652 is about 11837.8060467301. The cubic root of 140133652 is about 519.4145926848.

Adding to 140133652 its reverse (256331041), we get a palindrome (396464693).

It can be divided in two parts, 1401 and 33652, that added together give a palindrome (35053).

The spelling of 140133652 in words is "one hundred forty million, one hundred thirty-three thousand, six hundred fifty-two".