140446263 has 4 divisors (see below), whose sum is σ = 187261688. Its totient is φ = 93630840.

The previous prime is 140446261. The next prime is 140446277. The reversal of 140446263 is 362644041.

140446263 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 140446263 - 2¹ = 140446261 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 140446263.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140446261) 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, 23407708 + ... + 23407713.

It is an arithmetic number, because the mean of its divisors is an integer number (46815422).

Almost surely, 2^140446263 is an apocalyptic number.

140446263 is a deficient number, since it is larger than the sum of its proper divisors (46815425).

140446263 is an equidigital number, since it uses as much as digits as its factorization.

140446263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46815424.

The product of its (nonzero) digits is 13824, while the sum is 30.

The square root of 140446263 is about 11851.0026158127. The cubic root of 140446263 is about 519.8005435733.

The spelling of 140446263 in words is "one hundred forty million, four hundred forty-six thousand, two hundred sixty-three".