140524147 has 16 divisors (see below), whose sum is σ = 149610240. Its totient is φ = 131926080.

The previous prime is 140524141. The next prime is 140524151. The reversal of 140524147 is 741425041.

It is not a de Polignac number, because 140524147 - 2²³ = 132135539 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140524141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1578879 + ... + 1578967.

It is an arithmetic number, because the mean of its divisors is an integer number (9350640).

Almost surely, 2^140524147 is an apocalyptic number.

140524147 is a deficient number, since it is larger than the sum of its proper divisors (9086093).

140524147 is an frugal number, since it uses more digits than its factorization.

140524147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235 (or 173 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 28.

The square root of 140524147 is about 11854.2881270872. The cubic root of 140524147 is about 519.8966103620.

Adding to 140524147 its reverse (741425041), we get a palindrome (881949188).

It can be divided in two parts, 1405 and 24147, that added together give a palindrome (25552).

The spelling of 140524147 in words is "one hundred forty million, five hundred twenty-four thousand, one hundred forty-seven".