265139552 has 12 divisors (see below), whose sum is σ = 521993556. Its totient is φ = 132569760.

The previous prime is 265139543. The next prime is 265139597. The reversal of 265139552 is 255931562.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4142774 + ... + 4142837.

It is an arithmetic number, because the mean of its divisors is an integer number (43499463).

Almost surely, 2^265139552 is an apocalyptic number.

It is an amenable number.

265139552 is a deficient number, since it is larger than the sum of its proper divisors (256854004).

265139552 is an equidigital number, since it uses as much as digits as its factorization.

265139552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8285621 (or 8285613 counting only the distinct ones).

The product of its digits is 81000, while the sum is 38.

The square root of 265139552 is about 16283.1063375512. The cubic root of 265139552 is about 642.4285593325.

The spelling of 265139552 in words is "two hundred sixty-five million, one hundred thirty-nine thousand, five hundred fifty-two".