1307395890 has 112 divisors (see below), whose sum is σ = 3714451200. Its totient is φ = 330254496.

The previous prime is 1307395889. The next prime is 1307395907. The reversal of 1307395890 is 985937031.

It is a happy number.

1307395890 is a `hidden beast` number, since 1 + 30 + 7 + 39 + 589 + 0 = 666.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 133791 + ... + 143229.

Almost surely, 2^1307395890 is an apocalyptic number.

1307395890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1307395890, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1857225600).

1307395890 is an abundant number, since it is smaller than the sum of its proper divisors (2407055310).

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

1307395890 is an equidigital number, since it uses as much as digits as its factorization.

1307395890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9483 (or 9468 counting only the distinct ones).

The product of its (nonzero) digits is 204120, while the sum is 45.

The square root of 1307395890 is about 36157.9298356529. The cubic root of 1307395890 is about 1093.4586683560.

The spelling of 1307395890 in words is "one billion, three hundred seven million, three hundred ninety-five thousand, eight hundred ninety".