1076636149 has 4 divisors (see below), whose sum is σ = 1077323040. Its totient is φ = 1075949260.

The previous prime is 1076636147. The next prime is 1076636177. The reversal of 1076636149 is 9416366701.

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 1076636149 - 2¹ = 1076636147 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 (1076636147) 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, 341089 + ... + 344230.

It is an arithmetic number, because the mean of its divisors is an integer number (269330760).

Almost surely, 2^1076636149 is an apocalyptic number.

It is an amenable number.

1076636149 is a deficient number, since it is larger than the sum of its proper divisors (686891).

1076636149 is an equidigital number, since it uses as much as digits as its factorization.

1076636149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 686890.

The product of its (nonzero) digits is 163296, while the sum is 43.

The square root of 1076636149 is about 32812.1341731988. The cubic root of 1076636149 is about 1024.9192556661.

The spelling of 1076636149 in words is "one billion, seventy-six million, six hundred thirty-six thousand, one hundred forty-nine".