1301889165 has 16 divisors (see below), whose sum is σ = 2091744000. Its totient is φ = 691433792.

The previous prime is 1301889137. The next prime is 1301889167. The reversal of 1301889165 is 5619881031.

It is a cyclic number.

It is not a de Polignac number, because 1301889165 - 2¹⁶ = 1301823629 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1301889167) 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 15 ways as a sum of consecutive naturals, for example, 177990 + ... + 185159.

It is an arithmetic number, because the mean of its divisors is an integer number (130734000).

Almost surely, 2^1301889165 is an apocalyptic number.

1301889165 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1301889165 is a deficient number, since it is larger than the sum of its proper divisors (789854835).

1301889165 is a wasteful number, since it uses less digits than its factorization.

1301889165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 363396.

The product of its (nonzero) digits is 51840, while the sum is 42.

The square root of 1301889165 is about 36081.7012486939. The cubic root of 1301889165 is about 1091.9212992900.

The spelling of 1301889165 in words is "one billion, three hundred one million, eight hundred eighty-nine thousand, one hundred sixty-five".