1143602135 has 16 divisors (see below), whose sum is σ = 1513935360. Its totient is φ = 823906560.

The previous prime is 1143602123. The next prime is 1143602143. The reversal of 1143602135 is 5312063411.

It is not a de Polignac number, because 1143602135 - 2¹⁰ = 1143601111 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 211895 + ... + 217224.

It is an arithmetic number, because the mean of its divisors is an integer number (94620960).

Almost surely, 2^1143602135 is an apocalyptic number.

1143602135 is a deficient number, since it is larger than the sum of its proper divisors (370333225).

1143602135 is a wasteful number, since it uses less digits than its factorization.

1143602135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 429178.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 1143602135 is about 33817.1869764473. The cubic root of 1143602135 is about 1045.7430473038.

Adding to 1143602135 its reverse (5312063411), we get a palindrome (6455665546).

The spelling of 1143602135 in words is "one billion, one hundred forty-three million, six hundred two thousand, one hundred thirty-five".