140889263 has 4 divisors (see below), whose sum is σ = 142586808. Its totient is φ = 139191720.

The previous prime is 140889241. The next prime is 140889277. The reversal of 140889263 is 362988041.

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

It is a cyclic number.

It is not a de Polignac number, because 140889263 - 2¹² = 140885167 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 140889263.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140889223) 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, 848648 + ... + 848813.

It is an arithmetic number, because the mean of its divisors is an integer number (35646702).

Almost surely, 2^140889263 is an apocalyptic number.

140889263 is a deficient number, since it is larger than the sum of its proper divisors (1697545).

140889263 is an equidigital number, since it uses as much as digits as its factorization.

140889263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1697544.

The product of its (nonzero) digits is 82944, while the sum is 41.

The square root of 140889263 is about 11869.6783022961. The cubic root of 140889263 is about 520.3464936737.

The spelling of 140889263 in words is "one hundred forty million, eight hundred eighty-nine thousand, two hundred sixty-three".