140536747 has 4 divisors (see below), whose sum is σ = 151347280. Its totient is φ = 129726216.

The previous prime is 140536727. The next prime is 140536763. The reversal of 140536747 is 747635041.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-140536747 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140536727) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5405247 + ... + 5405272.

It is an arithmetic number, because the mean of its divisors is an integer number (37836820).

Almost surely, 2^140536747 is an apocalyptic number.

140536747 is a deficient number, since it is larger than the sum of its proper divisors (10810533).

140536747 is a wasteful number, since it uses less digits than its factorization.

140536747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10810532.

The product of its (nonzero) digits is 70560, while the sum is 37.

The square root of 140536747 is about 11854.8195684287. The cubic root of 140536747 is about 519.9121486203.

The spelling of 140536747 in words is "one hundred forty million, five hundred thirty-six thousand, seven hundred forty-seven".