1306534142 has 4 divisors (see below), whose sum is σ = 1959801216. Its totient is φ = 653267070.

The previous prime is 1306534079. The next prime is 1306534157. The reversal of 1306534142 is 2414356031.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2414356031 = 17 ⋅142020943.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 326633534 + ... + 326633537.

It is an arithmetic number, because the mean of its divisors is an integer number (489950304).

Almost surely, 2^1306534142 is an apocalyptic number.

1306534142 is a deficient number, since it is larger than the sum of its proper divisors (653267074).

1306534142 is an equidigital number, since it uses as much as digits as its factorization.

1306534142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 653267073.

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 1306534142 is about 36146.0114258821. The cubic root of 1306534142 is about 1093.2183705920.

The spelling of 1306534142 in words is "one billion, three hundred six million, five hundred thirty-four thousand, one hundred forty-two".