140321452 has 6 divisors (see below), whose sum is σ = 245562548. Its totient is φ = 70160724.

The previous prime is 140321449. The next prime is 140321453. The reversal of 140321452 is 254123041.

It is not an unprimeable number, because it can be changed into a prime (140321453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17540178 + ... + 17540185.

Almost surely, 2^140321452 is an apocalyptic number.

It is an amenable number.

140321452 is a deficient number, since it is larger than the sum of its proper divisors (105241096).

140321452 is a wasteful number, since it uses less digits than its factorization.

140321452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35080367 (or 35080365 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 140321452 is about 11845.7356040054. The cubic root of 140321452 is about 519.6465201248.

Adding to 140321452 its reverse (254123041), we get a palindrome (394444493).

The spelling of 140321452 in words is "one hundred forty million, three hundred twenty-one thousand, four hundred fifty-two".