1348618751 has 4 divisors (see below), whose sum is σ = 1348749600. Its totient is φ = 1348487904.

The previous prime is 1348618729. The next prime is 1348618753. The reversal of 1348618751 is 1578168431.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1348618751 - 2¹⁰ = 1348617727 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 (1348618753) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48506 + ... + 71063.

It is an arithmetic number, because the mean of its divisors is an integer number (337187400).

Almost surely, 2^1348618751 is an apocalyptic number.

1348618751 is a deficient number, since it is larger than the sum of its proper divisors (130849).

1348618751 is a wasteful number, since it uses less digits than its factorization.

1348618751 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130848.

The product of its digits is 161280, while the sum is 44.

The square root of 1348618751 is about 36723.5449133114. The cubic root of 1348618751 is about 1104.8323902394.

The spelling of 1348618751 in words is "one billion, three hundred forty-eight million, six hundred eighteen thousand, seven hundred fifty-one".