1151142136 has 8 divisors (see below), whose sum is σ = 2158391520. Its totient is φ = 575571064.

The previous prime is 1151142103. The next prime is 1151142137. The reversal of 1151142136 is 6312411511.

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

It is a self number, because there is not a number n which added to its sum of digits gives 1151142136.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1151142137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71946376 + ... + 71946391.

It is an arithmetic number, because the mean of its divisors is an integer number (269798940).

Almost surely, 2^1151142136 is an apocalyptic number.

It is an amenable number.

1151142136 is a deficient number, since it is larger than the sum of its proper divisors (1007249384).

1151142136 is a wasteful number, since it uses less digits than its factorization.

1151142136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143892773 (or 143892769 counting only the distinct ones).

The product of its digits is 720, while the sum is 25.

The square root of 1151142136 is about 33928.4856131246. The cubic root of 1151142136 is about 1048.0362801379.

Adding to 1151142136 its reverse (6312411511), we get a palindrome (7463553647).

The spelling of 1151142136 in words is "one billion, one hundred fifty-one million, one hundred forty-two thousand, one hundred thirty-six".