1214135545 has 8 divisors (see below), whose sum is σ = 1665100224. Its totient is φ = 832550064.

The previous prime is 1214135513. The next prime is 1214135551. The reversal of 1214135545 is 5455314121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1214135545 - 2⁵ = 1214135513 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 17344759 + ... + 17344828.

It is an arithmetic number, because the mean of its divisors is an integer number (208137528).

Almost surely, 2^1214135545 is an apocalyptic number.

It is an amenable number.

1214135545 is a deficient number, since it is larger than the sum of its proper divisors (450964679).

1214135545 is an equidigital number, since it uses as much as digits as its factorization.

1214135545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34689599.

The product of its digits is 12000, while the sum is 31.

The square root of 1214135545 is about 34844.4478360613. The cubic root of 1214135545 is about 1066.8148634697.

Adding to 1214135545 its reverse (5455314121), we get a palindrome (6669449666).

The spelling of 1214135545 in words is "one billion, two hundred fourteen million, one hundred thirty-five thousand, five hundred forty-five".