140103240 has 64 divisors (see below), whose sum is σ = 429269760. Its totient is φ = 36564480.

The previous prime is 140103233. The next prime is 140103241. The reversal of 140103240 is 42301041.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is not an unprimeable number, because it can be changed into a prime (140103241) 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, 6781 + ... + 18060.

It is an arithmetic number, because the mean of its divisors is an integer number (6707340).

Almost surely, 2^140103240 is an apocalyptic number.

140103240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140103240 is an abundant number, since it is smaller than the sum of its proper divisors (289166520).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

140103240 is a wasteful number, since it uses less digits than its factorization.

140103240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24902 (or 24898 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 140103240 is about 11836.5214484662. The cubic root of 140103240 is about 519.3770152740.

Adding to 140103240 its reverse (42301041), we get a palindrome (182404281).

The spelling of 140103240 in words is "one hundred forty million, one hundred three thousand, two hundred forty".