1345073130 has 24 divisors (see below), whose sum is σ = 3497190372. Its totient is φ = 358686144.

The previous prime is 1345073123. The next prime is 1345073131. The reversal of 1345073130 is 313705431.

1345073130 is a `hidden beast` number, since 1 + 345 + 0 + 7 + 313 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1283717241 + 61355889 = 35829^2 + 7833^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1345073094 and 1345073103.

It is not an unprimeable number, because it can be changed into a prime (1345073131) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7472539 + ... + 7472718.

Almost surely, 2^1345073130 is an apocalyptic number.

1345073130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1345073130 is an abundant number, since it is smaller than the sum of its proper divisors (2152117242).

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

1345073130 is a wasteful number, since it uses less digits than its factorization.

1345073130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14945270 (or 14945267 counting only the distinct ones).

The product of its (nonzero) digits is 3780, while the sum is 27.

The square root of 1345073130 is about 36675.2386495303. The cubic root of 1345073130 is about 1103.8633110936.

Adding to 1345073130 its reverse (313705431), we get a palindrome (1658778561).

The spelling of 1345073130 in words is "one billion, three hundred forty-five million, seventy-three thousand, one hundred thirty".