1351415243 has 8 divisors (see below), whose sum is σ = 1369260288. Its totient is φ = 1333666984.

The previous prime is 1351415239. The next prime is 1351415279. The reversal of 1351415243 is 3425141531.

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 1351415243 - 2² = 1351415239 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1351415203) 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, 4130 + ... + 52152.

It is an arithmetic number, because the mean of its divisors is an integer number (171157536).

Almost surely, 2^1351415243 is an apocalyptic number.

1351415243 is a deficient number, since it is larger than the sum of its proper divisors (17845045).

1351415243 is a wasteful number, since it uses less digits than its factorization.

1351415243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48393.

The product of its digits is 7200, while the sum is 29.

The square root of 1351415243 is about 36761.6001147937. The cubic root of 1351415243 is about 1105.5955221052.

Adding to 1351415243 its reverse (3425141531), we get a palindrome (4776556774).

The spelling of 1351415243 in words is "one billion, three hundred fifty-one million, four hundred fifteen thousand, two hundred forty-three".