140092305 has 16 divisors (see below), whose sum is σ = 224306880. Its totient is φ = 74662848.

The previous prime is 140092283. The next prime is 140092307. The reversal of 140092305 is 503290041.

It is not a de Polignac number, because 140092305 - 2¹² = 140088209 is a prime.

It is a super-3 number, since 3×140092305³ (a number of 25 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (140092307) 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, 28134 + ... + 32736.

It is an arithmetic number, because the mean of its divisors is an integer number (14019180).

Almost surely, 2^140092305 is an apocalyptic number.

140092305 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

140092305 is a deficient number, since it is larger than the sum of its proper divisors (84214575).

140092305 is a wasteful number, since it uses less digits than its factorization.

140092305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6640.

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 140092305 is about 11836.0595216482. The cubic root of 140092305 is about 519.3635025352.

The spelling of 140092305 in words is "one hundred forty million, ninety-two thousand, three hundred five".