1302913143 has 12 divisors (see below), whose sum is σ = 2150840848. Its totient is φ = 744521760.

The previous prime is 1302913141. The next prime is 1302913147. The reversal of 1302913143 is 3413192031.

1302913143 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1302913143 - 2¹ = 1302913141 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1302913141) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10340518 + ... + 10340643.

Almost surely, 2^1302913143 is an apocalyptic number.

1302913143 is a deficient number, since it is larger than the sum of its proper divisors (847927705).

1302913143 is a wasteful number, since it uses less digits than its factorization.

1302913143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20681174 (or 20681171 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 27.

The square root of 1302913143 is about 36095.8881730316. Note that the first 3 decimals coincide. The cubic root of 1302913143 is about 1092.2075014247.

The spelling of 1302913143 in words is "one billion, three hundred two million, nine hundred thirteen thousand, one hundred forty-three".