140458263 has 16 divisors (see below), whose sum is σ = 213186816. Its totient is φ = 81424640.

The previous prime is 140458243. The next prime is 140458273. The reversal of 140458263 is 362854041.

It is not a de Polignac number, because 140458263 - 2¹⁷ = 140327191 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140458243) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 91770 + ... + 93287.

It is an arithmetic number, because the mean of its divisors is an integer number (13324176).

Almost surely, 2^140458263 is an apocalyptic number.

140458263 is a deficient number, since it is larger than the sum of its proper divisors (72728553).

140458263 is a wasteful number, since it uses less digits than its factorization.

140458263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185094.

The product of its (nonzero) digits is 23040, while the sum is 33.

The square root of 140458263 is about 11851.5088912762. The cubic root of 140458263 is about 519.8153474059.

It can be divided in two parts, 140 and 458263, that added together give a triangular number (458403 = T₉₅₇).

The spelling of 140458263 in words is "one hundred forty million, four hundred fifty-eight thousand, two hundred sixty-three".