140542112 has 12 divisors (see below), whose sum is σ = 276692346. Its totient is φ = 70271040.

The previous prime is 140542099. The next prime is 140542117. The reversal of 140542112 is 211245041.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 73891216 + 66650896 = 8596^2 + 8164^2 .

It is not an unprimeable number, because it can be changed into a prime (140542117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2195939 + ... + 2196002.

Almost surely, 2^140542112 is an apocalyptic number.

It is an amenable number.

140542112 is a deficient number, since it is larger than the sum of its proper divisors (136150234).

140542112 is an equidigital number, since it uses as much as digits as its factorization.

140542112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4391951 (or 4391943 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 20.

The square root of 140542112 is about 11855.0458455461. The cubic root of 140542112 is about 519.9187644302.

Adding to 140542112 its reverse (211245041), we get a palindrome (351787153).

The spelling of 140542112 in words is "one hundred forty million, five hundred forty-two thousand, one hundred twelve".