1153537141 has 4 divisors (see below), whose sum is σ = 1155226752. Its totient is φ = 1151847532.

The previous prime is 1153537127. The next prime is 1153537181. The reversal of 1153537141 is 1417353511.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1153537141 - 2²³ = 1145148533 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1153537181) 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 in 3 ways as a sum of consecutive naturals, for example, 843781 + ... + 845146.

It is an arithmetic number, because the mean of its divisors is an integer number (288806688).

Almost surely, 2^1153537141 is an apocalyptic number.

It is an amenable number.

1153537141 is a deficient number, since it is larger than the sum of its proper divisors (1689611).

1153537141 is an equidigital number, since it uses as much as digits as its factorization.

1153537141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1689610.

The product of its digits is 6300, while the sum is 31.

The square root of 1153537141 is about 33963.7621738229. The cubic root of 1153537141 is about 1048.7626061353.

The spelling of 1153537141 in words is "one billion, one hundred fifty-three million, five hundred thirty-seven thousand, one hundred forty-one".