1306180542 has 32 divisors (see below), whose sum is σ = 2691118080. Its totient is φ = 422386880.

The previous prime is 1306180541. The next prime is 1306180553. The reversal of 1306180542 is 2450816031.

It is a super-2 number, since 2×1306180542² = 3412215216598827528, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1306180541) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29203 + ... + 58865.

It is an arithmetic number, because the mean of its divisors is an integer number (84097440).

Almost surely, 2^1306180542 is an apocalyptic number.

1306180542 is an abundant number, since it is smaller than the sum of its proper divisors (1384937538).

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

1306180542 is a wasteful number, since it uses less digits than its factorization.

1306180542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29888.

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 1306180542 is about 36141.1198221638. The cubic root of 1306180542 is about 1093.1197389319.

Adding to 1306180542 its reverse (2450816031), we get a palindrome (3756996573).

The spelling of 1306180542 in words is "one billion, three hundred six million, one hundred eighty thousand, five hundred forty-two".