1343521475 has 12 divisors (see below), whose sum is σ = 1763965224. Its totient is φ = 1011592320.

The previous prime is 1343521457. The next prime is 1343521481. The reversal of 1343521475 is 5741253431.

It is not a de Polignac number, because 1343521475 - 2¹⁸ = 1343259331 is a prime.

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian 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, 1580189 + ... + 1581038.

It is an arithmetic number, because the mean of its divisors is an integer number (146997102).

Almost surely, 2^1343521475 is an apocalyptic number.

1343521475 is a deficient number, since it is larger than the sum of its proper divisors (420443749).

1343521475 is a wasteful number, since it uses less digits than its factorization.

1343521475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3161254 (or 3161249 counting only the distinct ones).

The product of its digits is 50400, while the sum is 35.

The square root of 1343521475 is about 36654.0785588725. The cubic root of 1343521475 is about 1103.4386813751.

The spelling of 1343521475 in words is "one billion, three hundred forty-three million, five hundred twenty-one thousand, four hundred seventy-five".