1345120436 has 24 divisors (see below), whose sum is σ = 2572911264. Its totient is φ = 610238880.

The previous prime is 1345120429. The next prime is 1345120451. The reversal of 1345120436 is 6340215431.

It is a junction number, because it is equal to n+sod(n) for n = 1345120399 and 1345120408.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6215 + ... + 52238.

It is an arithmetic number, because the mean of its divisors is an integer number (107204636).

Almost surely, 2^1345120436 is an apocalyptic number.

It is an amenable number.

1345120436 is a deficient number, since it is larger than the sum of its proper divisors (1227790828).

1345120436 is a wasteful number, since it uses less digits than its factorization.

1345120436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58991 (or 58989 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 1345120436 is about 36675.8835749052. The cubic root of 1345120436 is about 1103.8762518387.

Adding to 1345120436 its reverse (6340215431), we get a palindrome (7685335867).

The spelling of 1345120436 in words is "one billion, three hundred forty-five million, one hundred twenty thousand, four hundred thirty-six".