1155430137 has 8 divisors (see below), whose sum is σ = 1544772736. Its totient is φ = 768187152.

The previous prime is 1155430121. The next prime is 1155430153. The reversal of 1155430137 is 7310345511.

It is an interprime number because it is at equal distance from previous prime (1155430121) and next prime (1155430153).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1155430137 - 2⁴ = 1155430121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1155430037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 523618 + ... + 525819.

It is an arithmetic number, because the mean of its divisors is an integer number (193096592).

Almost surely, 2^1155430137 is an apocalyptic number.

It is an amenable number.

1155430137 is a deficient number, since it is larger than the sum of its proper divisors (389342599).

1155430137 is a wasteful number, since it uses less digits than its factorization.

1155430137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1049807.

The product of its (nonzero) digits is 6300, while the sum is 30.

The square root of 1155430137 is about 33991.6186287149. The cubic root of 1155430137 is about 1049.3359783461.

Adding to 1155430137 its reverse (7310345511), we get a palindrome (8465775648).

The spelling of 1155430137 in words is "one billion, one hundred fifty-five million, four hundred thirty thousand, one hundred thirty-seven".