140332540 has 24 divisors (see below), whose sum is σ = 294925680. Its totient is φ = 56089728.

The previous prime is 140332483. The next prime is 140332547. The reversal of 140332540 is 45233041.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140332547) 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, 41431 + ... + 44689.

It is an arithmetic number, because the mean of its divisors is an integer number (12288570).

Almost surely, 2^140332540 is an apocalyptic number.

140332540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140332540 is an abundant number, since it is smaller than the sum of its proper divisors (154593140).

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

140332540 is a wasteful number, since it uses less digits than its factorization.

140332540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5421 (or 5419 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 140332540 is about 11846.2036112841. The cubic root of 140332540 is about 519.6602070054.

Adding to 140332540 its reverse (45233041), we get a palindrome (185565581).

The spelling of 140332540 in words is "one hundred forty million, three hundred thirty-two thousand, five hundred forty".