1161140134 has 16 divisors (see below), whose sum is σ = 2171483136. Its totient is φ = 452392200.

The previous prime is 1161140111. The next prime is 1161140147. The reversal of 1161140134 is 4310411611.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3769782 + ... + 3770089.

It is an arithmetic number, because the mean of its divisors is an integer number (135717696).

Almost surely, 2^1161140134 is an apocalyptic number.

1161140134 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1161140134 is a deficient number, since it is larger than the sum of its proper divisors (1010343002).

1161140134 is a wasteful number, since it uses less digits than its factorization.

1161140134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7539891.

The product of its (nonzero) digits is 288, while the sum is 22.

The square root of 1161140134 is about 34075.5063645428. The cubic root of 1161140134 is about 1051.0617028217.

Adding to 1161140134 its reverse (4310411611), we get a palindrome (5471551745).

The spelling of 1161140134 in words is "one billion, one hundred sixty-one million, one hundred forty thousand, one hundred thirty-four".