13435415144 has 8 divisors (see below), whose sum is σ = 25191403410. Its totient is φ = 6717707568.

The previous prime is 13435415141. The next prime is 13435415171. The reversal of 13435415144 is 44151453431.

It can be written as a sum of positive squares in only one way, i.e., 11526599044 + 1908816100 = 107362^2 + 43690^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (13435415141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 839713439 + ... + 839713454.

Almost surely, 2^13435415144 is an apocalyptic number.

It is an amenable number.

13435415144 is a deficient number, since it is larger than the sum of its proper divisors (11755988266).

13435415144 is a wasteful number, since it uses less digits than its factorization.

13435415144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1679426899 (or 1679426895 counting only the distinct ones).

The product of its digits is 57600, while the sum is 35.

Adding to 13435415144 its reverse (44151453431), we get a palindrome (57586868575).

The spelling of 13435415144 in words is "thirteen billion, four hundred thirty-five million, four hundred fifteen thousand, one hundred forty-four".