140542030 has 16 divisors (see below), whose sum is σ = 253128960. Its totient is φ = 56182752.

The previous prime is 140542013. The next prime is 140542037. The reversal of 140542030 is 30245041.

It is a junction number, because it is equal to n+sod(n) for n = 140541989 and 140542007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140542037) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19252 + ... + 25528.

It is an arithmetic number, because the mean of its divisors is an integer number (15820560).

Almost surely, 2^140542030 is an apocalyptic number.

140542030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

140542030 is a deficient number, since it is larger than the sum of its proper divisors (112586930).

140542030 is a wasteful number, since it uses less digits than its factorization.

140542030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8523.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 140542030 is about 11855.0423871026. The cubic root of 140542030 is about 519.9186633137.

Adding to 140542030 its reverse (30245041), we get a palindrome (170787071).

The spelling of 140542030 in words is "one hundred forty million, five hundred forty-two thousand, thirty".