1265341364 has 36 divisors (see below), whose sum is σ = 2569273056. Its totient is φ = 534142224.

The previous prime is 1265341313. The next prime is 1265341387. The reversal of 1265341364 is 4631435621.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 120659 + ... + 130725.

It is an arithmetic number, because the mean of its divisors is an integer number (71368696).

Almost surely, 2^1265341364 is an apocalyptic number.

1265341364 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1265341364 is an abundant number, since it is smaller than the sum of its proper divisors (1303931692).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1265341364 is a wasteful number, since it uses less digits than its factorization.

1265341364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10212 (or 10143 counting only the distinct ones).

The product of its digits is 51840, while the sum is 35.

The square root of 1265341364 is about 35571.6370722518. The cubic root of 1265341364 is about 1081.6063669727.

Adding to 1265341364 its reverse (4631435621), we get a palindrome (5896776985).

The spelling of 1265341364 in words is "one billion, two hundred sixty-five million, three hundred forty-one thousand, three hundred sixty-four".