140036452 has 6 divisors (see below), whose sum is σ = 245063798. Its totient is φ = 70018224.

The previous prime is 140036437. The next prime is 140036459. The reversal of 140036452 is 254630041.

140036452 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 138438756 + 1597696 = 11766^2 + 1264^2 .

It is a super-2 number, since 2×140036452² = 39220415777496608, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (140036459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17504553 + ... + 17504560.

Almost surely, 2^140036452 is an apocalyptic number.

It is an amenable number.

140036452 is a deficient number, since it is larger than the sum of its proper divisors (105027346).

140036452 is a wasteful number, since it uses less digits than its factorization.

140036452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35009117 (or 35009115 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 140036452 is about 11833.6998440893. The cubic root of 140036452 is about 519.2944721780.

Adding to 140036452 its reverse (254630041), we get a palindrome (394666493).

The spelling of 140036452 in words is "one hundred forty million, thirty-six thousand, four hundred fifty-two".