140101265 has 4 divisors (see below), whose sum is σ = 168121524. Its totient is φ = 112081008.

The previous prime is 140101259. The next prime is 140101279. The reversal of 140101265 is 562101041.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 562101041 = 673 ⋅835217.

It can be written as a sum of positive squares in 2 ways, for example, as 36529936 + 103571329 = 6044^2 + 10177^2 .

It is a cyclic number.

It is not a de Polignac number, because 140101265 - 2⁴ = 140101249 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14010122 + ... + 14010131.

It is an arithmetic number, because the mean of its divisors is an integer number (42030381).

Almost surely, 2^140101265 is an apocalyptic number.

It is an amenable number.

140101265 is a deficient number, since it is larger than the sum of its proper divisors (28020259).

140101265 is an equidigital number, since it uses as much as digits as its factorization.

140101265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28020258.

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 140101265 is about 11836.4380199450. The cubic root of 140101265 is about 519.3745747536.

The spelling of 140101265 in words is "one hundred forty million, one hundred one thousand, two hundred sixty-five".