1349156775 has 12 divisors (see below), whose sum is σ = 2230605992. Its totient is φ = 719550240.

The previous prime is 1349156773. The next prime is 1349156803. The reversal of 1349156775 is 5776519431.

It is not a de Polignac number, because 1349156775 - 2¹ = 1349156773 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1349156773) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8994304 + ... + 8994453.

Almost surely, 2^1349156775 is an apocalyptic number.

1349156775 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1349156775 is a deficient number, since it is larger than the sum of its proper divisors (881449217).

1349156775 is a wasteful number, since it uses less digits than its factorization.

1349156775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17988770 (or 17988765 counting only the distinct ones).

The product of its digits is 793800, while the sum is 48.

The square root of 1349156775 is about 36730.8695105357. The cubic root of 1349156775 is about 1104.9792929652.

The spelling of 1349156775 in words is "one billion, three hundred forty-nine million, one hundred fifty-six thousand, seven hundred seventy-five".