1349761655 has 12 divisors (see below), whose sum is σ = 1780347576. Its totient is φ = 981644400.

The previous prime is 1349761643. The next prime is 1349761661. The reversal of 1349761655 is 5561679431.

It is not a de Polignac number, because 1349761655 - 2⁴ = 1349761639 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1114901 + ... + 1116110.

It is an arithmetic number, because the mean of its divisors is an integer number (148362298).

Almost surely, 2^1349761655 is an apocalyptic number.

1349761655 is a deficient number, since it is larger than the sum of its proper divisors (430585921).

1349761655 is a wasteful number, since it uses less digits than its factorization.

1349761655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2231038 (or 2231027 counting only the distinct ones).

The product of its digits is 680400, while the sum is 47.

The square root of 1349761655 is about 36739.1025339488. The cubic root of 1349761655 is about 1105.1444035056.

It can be divided in two parts, 134976 and 1655, that added together give a palindrome (136631).

The spelling of 1349761655 in words is "one billion, three hundred forty-nine million, seven hundred sixty-one thousand, six hundred fifty-five".