1309451343087 has 16 divisors (see below), whose sum is σ = 1748761701120. Its totient is φ = 871554903552.

The previous prime is 1309451343077. The next prime is 1309451343157. The reversal of 1309451343087 is 7803431549031.

It is a happy number.

It is not a de Polignac number, because 1309451343087 - 2¹¹ = 1309451341039 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1309451343077) 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, 8487823 + ... + 8640719.

It is an arithmetic number, because the mean of its divisors is an integer number (109297606320).

Almost surely, 2^{1309451343087} is an apocalyptic number.

1309451343087 is a deficient number, since it is larger than the sum of its proper divisors (439310358033).

1309451343087 is a wasteful number, since it uses less digits than its factorization.

1309451343087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157502.

The product of its (nonzero) digits is 1088640, while the sum is 48.

The spelling of 1309451343087 in words is "one trillion, three hundred nine billion, four hundred fifty-one million, three hundred forty-three thousand, eighty-seven".