1307085831645 has 48 divisors (see below), whose sum is σ = 2330232547776. Its totient is φ = 625057171200.

The previous prime is 1307085831617. The next prime is 1307085831659. The reversal of 1307085831645 is 5461385807031.

It is not a de Polignac number, because 1307085831645 - 2¹⁰ = 1307085830621 is a prime.

It is a super-3 number, since 3×1307085831645³ (a number of 37 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4800091 + ... + 5065080.

It is an arithmetic number, because the mean of its divisors is an integer number (48546511412).

Almost surely, 2^{1307085831645} is an apocalyptic number.

1307085831645 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1307085831645 is a deficient number, since it is larger than the sum of its proper divisors (1023146716131).

1307085831645 is a wasteful number, since it uses less digits than its factorization.

1307085831645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9865274 (or 9865263 counting only the distinct ones).

The product of its (nonzero) digits is 2419200, while the sum is 51.

The spelling of 1307085831645 in words is "one trillion, three hundred seven billion, eighty-five million, eight hundred thirty-one thousand, six hundred forty-five".