140264306 has 32 divisors (see below), whose sum is σ = 259553280. Its totient is φ = 55359936.

The previous prime is 140264303. The next prime is 140264347. The reversal of 140264306 is 603462041.

140264306 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is not an unprimeable number, because it can be changed into a prime (140264303) 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, 128495 + ... + 129581.

It is an arithmetic number, because the mean of its divisors is an integer number (8111040).

Almost surely, 2^140264306 is an apocalyptic number.

140264306 is a deficient number, since it is larger than the sum of its proper divisors (119288974).

140264306 is a wasteful number, since it uses less digits than its factorization.

140264306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1818.

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 140264306 is about 11843.3232667187. The cubic root of 140264306 is about 519.5759684220.

The spelling of 140264306 in words is "one hundred forty million, two hundred sixty-four thousand, three hundred six".