140162747 has 4 divisors (see below), whose sum is σ = 140251896. Its totient is φ = 140073600.

The previous prime is 140162707. The next prime is 140162761. The reversal of 140162747 is 747261041.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 747261041 = 61 ⋅12250181.

It is a cyclic number.

It is not a de Polignac number, because 140162747 - 2⁶ = 140162683 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140162707) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42173 + ... + 45374.

It is an arithmetic number, because the mean of its divisors is an integer number (35062974).

Almost surely, 2^140162747 is an apocalyptic number.

140162747 is a deficient number, since it is larger than the sum of its proper divisors (89149).

140162747 is an equidigital number, since it uses as much as digits as its factorization.

140162747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89148.

The product of its (nonzero) digits is 9408, while the sum is 32.

The square root of 140162747 is about 11839.0348846517. The cubic root of 140162747 is about 519.4505377073.

The spelling of 140162747 in words is "one hundred forty million, one hundred sixty-two thousand, seven hundred forty-seven".