1345213550 has 12 divisors (see below), whose sum is σ = 2502097296. Its totient is φ = 538085400.

The previous prime is 1345213543. The next prime is 1345213601. The reversal of 1345213550 is 553125431.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 13452086 + ... + 13452185.

It is an arithmetic number, because the mean of its divisors is an integer number (208508108).

Almost surely, 2^1345213550 is an apocalyptic number.

1345213550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1345213550 is a deficient number, since it is larger than the sum of its proper divisors (1156883746).

1345213550 is a wasteful number, since it uses less digits than its factorization.

1345213550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26904283 (or 26904278 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 29.

The square root of 1345213550 is about 36677.1529702075. The cubic root of 1345213550 is about 1103.9017226588.

Adding to 1345213550 its reverse (553125431), we get a palindrome (1898338981).

The spelling of 1345213550 in words is "one billion, three hundred forty-five million, two hundred thirteen thousand, five hundred fifty".