1356131143 has 8 divisors (see below), whose sum is σ = 1376460800. Its totient is φ = 1335880728.

The previous prime is 1356131131. The next prime is 1356131197. The reversal of 1356131143 is 3411316531.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1356131143 - 2⁵ = 1356131111 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 (1356138143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15130 + ... + 54232.

It is an arithmetic number, because the mean of its divisors is an integer number (172057600).

Almost surely, 2^1356131143 is an apocalyptic number.

1356131143 is a deficient number, since it is larger than the sum of its proper divisors (20329657).

1356131143 is an equidigital number, since it uses as much as digits as its factorization.

1356131143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39621.

The product of its digits is 3240, while the sum is 28.

The square root of 1356131143 is about 36825.6859135034. The cubic root of 1356131143 is about 1106.8800581734.

Adding to 1356131143 its reverse (3411316531), we get a palindrome (4767447674).

The spelling of 1356131143 in words is "one billion, three hundred fifty-six million, one hundred thirty-one thousand, one hundred forty-three".