140601540 has 24 divisors (see below), whose sum is σ = 393684480. Its totient is φ = 37493728.

The previous prime is 140601499. The next prime is 140601547. The reversal of 140601540 is 45106041.

It is not an unprimeable number, because it can be changed into a prime (140601547) 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, 1171620 + ... + 1171739.

It is an arithmetic number, because the mean of its divisors is an integer number (16403520).

Almost surely, 2^140601540 is an apocalyptic number.

140601540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140601540 is an abundant number, since it is smaller than the sum of its proper divisors (253082940).

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

140601540 is a wasteful number, since it uses less digits than its factorization.

140601540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2343371 (or 2343369 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 140601540 is about 11857.5520239213. The cubic root of 140601540 is about 519.9920363672.

Adding to 140601540 its reverse (45106041), we get a palindrome (185707581).

It can be divided in two parts, 140601 and 540, that added together give a palindrome (141141).

The spelling of 140601540 in words is "one hundred forty million, six hundred one thousand, five hundred forty".