1345289706 has 12 divisors (see below), whose sum is σ = 2914794402. Its totient is φ = 448429896.

The previous prime is 1345289689. The next prime is 1345289719. The reversal of 1345289706 is 6079825431.

1345289706 is a `hidden beast` number, since 1 + 34 + 528 + 97 + 0 + 6 = 666.

1345289706 is digitally balanced in base 10, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 1303571025 + 41718681 = 36105^2 + 6459^2 .

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

1345289706 is strictly pandigital in base 10.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 37369141 + ... + 37369176.

It is a 1-persistent number, because it is pandigital, but 2⋅1345289706 = 2690579412 is not.

Almost surely, 2^1345289706 is an apocalyptic number.

1345289706 is an abundant number, since it is smaller than the sum of its proper divisors (1569504696).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1345289706 is a wasteful number, since it uses less digits than its factorization.

1345289706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74738325 (or 74738322 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 45.

The square root of 1345289706 is about 36678.1911495101. The cubic root of 1345289706 is about 1103.9225538379.

The spelling of 1345289706 in words is "one billion, three hundred forty-five million, two hundred eighty-nine thousand, seven hundred six".