1134145100 has 72 divisors (see below), whose sum is σ = 2707337136. Its totient is φ = 412368000.

The previous prime is 1134145091. The next prime is 1134145163. The reversal of 1134145100 is 15414311.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 128840 + ... + 137360.

Almost surely, 2^1134145100 is an apocalyptic number.

1134145100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1134145100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1353668568).

1134145100 is an abundant number, since it is smaller than the sum of its proper divisors (1573192036).

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

1134145100 is a wasteful number, since it uses less digits than its factorization.

1134145100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8568 (or 8539 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 1134145100 is about 33677.0708346198. The cubic root of 1134145100 is about 1042.8524687707.

Adding to 1134145100 its reverse (15414311), we get a palindrome (1149559411).

The spelling of 1134145100 in words is "one billion, one hundred thirty-four million, one hundred forty-five thousand, one hundred".