140764263 has 4 divisors (see below), whose sum is σ = 187685688. Its totient is φ = 93842840.

The previous prime is 140764223. The next prime is 140764277. The reversal of 140764263 is 362467041.

It is a happy number.

140764263 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 a cyclic number.

It is not a de Polignac number, because 140764263 - 2¹² = 140760167 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140764223) 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, 23460708 + ... + 23460713.

It is an arithmetic number, because the mean of its divisors is an integer number (46921422).

Almost surely, 2^140764263 is an apocalyptic number.

140764263 is a deficient number, since it is larger than the sum of its proper divisors (46921425).

140764263 is an equidigital number, since it uses as much as digits as its factorization.

140764263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46921424.

The product of its (nonzero) digits is 24192, while the sum is 33.

The square root of 140764263 is about 11864.4116162581. The cubic root of 140764263 is about 520.1925605877.

The spelling of 140764263 in words is "one hundred forty million, seven hundred sixty-four thousand, two hundred sixty-three".