1353121434 has 24 divisors (see below), whose sum is σ = 3350586720. Its totient is φ = 386606088.

The previous prime is 1353121433. The next prime is 1353121439. The reversal of 1353121434 is 4341213531.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1353121398 and 1353121407.

It is not an unprimeable number, because it can be changed into a prime (1353121433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5369404 + ... + 5369655.

It is an arithmetic number, because the mean of its divisors is an integer number (139607780).

Almost surely, 2^1353121434 is an apocalyptic number.

1353121434 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1353121434 is an abundant number, since it is smaller than the sum of its proper divisors (1997465286).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1353121434 is a wasteful number, since it uses less digits than its factorization.

1353121434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10739074 (or 10739071 counting only the distinct ones).

The product of its digits is 4320, while the sum is 27.

The square root of 1353121434 is about 36784.7989528283. The cubic root of 1353121434 is about 1106.0606058609.

Adding to 1353121434 its reverse (4341213531), we get a palindrome (5694334965).

The spelling of 1353121434 in words is "one billion, three hundred fifty-three million, one hundred twenty-one thousand, four hundred thirty-four".