1065145213 has 24 divisors (see below), whose sum is σ = 1213164288. Its totient is φ = 933504000.

The previous prime is 1065145171. The next prime is 1065145219. The reversal of 1065145213 is 3125415601.

It is not a de Polignac number, because 1065145213 - 2¹⁷ = 1065014141 is a prime.

It is a super-2 number, since 2×1065145213² = 2269068649553630738, which contains 22 as substring.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1065145219) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1661373 + ... + 1662013.

It is an arithmetic number, because the mean of its divisors is an integer number (50548512).

Almost surely, 2^1065145213 is an apocalyptic number.

It is an amenable number.

1065145213 is a deficient number, since it is larger than the sum of its proper divisors (148019075).

1065145213 is a wasteful number, since it uses less digits than its factorization.

1065145213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1137 (or 1126 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 28.

The square root of 1065145213 is about 32636.5625181329. The cubic root of 1065145213 is about 1021.2598852457.

The spelling of 1065145213 in words is "one billion, sixty-five million, one hundred forty-five thousand, two hundred thirteen".