1144020134 has 32 divisors (see below), whose sum is σ = 1932426720. Its totient is φ = 504741888.

The previous prime is 1144020113. The next prime is 1144020181. The reversal of 1144020134 is 4310204411.

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, 53534 + ... + 71790.

It is an arithmetic number, because the mean of its divisors is an integer number (60388335).

Almost surely, 2^1144020134 is an apocalyptic number.

1144020134 is a deficient number, since it is larger than the sum of its proper divisors (788406586).

1144020134 is a wasteful number, since it uses less digits than its factorization.

1144020134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18392.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 1144020134 is about 33823.3666863605. The cubic root of 1144020134 is about 1045.8704419306.

Adding to 1144020134 its reverse (4310204411), we get a palindrome (5454224545).

The spelling of 1144020134 in words is "one billion, one hundred forty-four million, twenty thousand, one hundred thirty-four".