140232530 has 16 divisors (see below), whose sum is σ = 260561664. Its totient is φ = 54283440.

The previous prime is 140232527. The next prime is 140232551. The reversal of 140232530 is 35232041.

It is a happy number.

140232530 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 225872 + ... + 226491.

It is an arithmetic number, because the mean of its divisors is an integer number (16285104).

Almost surely, 2^140232530 is an apocalyptic number.

140232530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

140232530 is a deficient number, since it is larger than the sum of its proper divisors (120329134).

140232530 is a wasteful number, since it uses less digits than its factorization.

140232530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 452401.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 140232530 is about 11841.9816753785. The cubic root of 140232530 is about 519.5367298983.

Adding to 140232530 its reverse (35232041), we get a palindrome (175464571).

The spelling of 140232530 in words is "one hundred forty million, two hundred thirty-two thousand, five hundred thirty".