1065145913 has 8 divisors (see below), whose sum is σ = 1171486848. Its totient is φ = 962291664.

The previous prime is 1065145903. The next prime is 1065145919. The reversal of 1065145913 is 3195415601.

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

It is a cyclic number.

It is not a de Polignac number, because 1065145913 - 2²⁴ = 1048368697 is a prime.

It is a super-2 number, since 2×1065145913² = 2269071631961207138, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1065145919) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 871031 + ... + 872252.

It is an arithmetic number, because the mean of its divisors is an integer number (146435856).

Almost surely, 2^1065145913 is an apocalyptic number.

1065145913 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1065145913 is a deficient number, since it is larger than the sum of its proper divisors (106340935).

1065145913 is a wasteful number, since it uses less digits than its factorization.

1065145913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1743343.

The product of its (nonzero) digits is 16200, while the sum is 35.

The square root of 1065145913 is about 32636.5732422998. The cubic root of 1065145913 is about 1021.2601089654.

The spelling of 1065145913 in words is "one billion, sixty-five million, one hundred forty-five thousand, nine hundred thirteen".