265139002 has 4 divisors (see below), whose sum is σ = 397708506. Its totient is φ = 132569500.

The previous prime is 265138997. The next prime is 265139011. The reversal of 265139002 is 200931562.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 139452481 + 125686521 = 11809^2 + 11211^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66284749 + ... + 66284752.

Almost surely, 2^265139002 is an apocalyptic number.

265139002 is a deficient number, since it is larger than the sum of its proper divisors (132569504).

265139002 is a wasteful number, since it uses less digits than its factorization.

265139002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132569503.

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 265139002 is about 16283.0894488730. The cubic root of 265139002 is about 642.4281151187.

The spelling of 265139002 in words is "two hundred sixty-five million, one hundred thirty-nine thousand, two".