140534444 has 12 divisors (see below), whose sum is σ = 260402184. Its totient is φ = 66133824.

The previous prime is 140534441. The next prime is 140534447. The reversal of 140534444 is 444435041.

It is an interprime number because it is at equal distance from previous prime (140534441) and next prime (140534447).

It is not an unprimeable number, because it can be changed into a prime (140534441) 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, 1033274 + ... + 1033409.

It is an arithmetic number, because the mean of its divisors is an integer number (21700182).

Almost surely, 2^140534444 is an apocalyptic number.

It is an amenable number.

140534444 is a deficient number, since it is larger than the sum of its proper divisors (119867740).

140534444 is a wasteful number, since it uses less digits than its factorization.

140534444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2066704 (or 2066702 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 29.

The square root of 140534444 is about 11854.7224345406. The cubic root of 140534444 is about 519.9093086414.

Adding to 140534444 its reverse (444435041), we get a palindrome (584969485).

The spelling of 140534444 in words is "one hundred forty million, five hundred thirty-four thousand, four hundred forty-four".