1351302745 has 8 divisors (see below), whose sum is σ = 1746299016. Its totient is φ = 997885056.

The previous prime is 1351302731. The next prime is 1351302751. The reversal of 1351302745 is 5472031531.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 299209 + 1351003536 = 547^2 + 36756^2 .

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 1351302745 - 2⁵ = 1351302713 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10394572 + ... + 10394701.

It is an arithmetic number, because the mean of its divisors is an integer number (218287377).

Almost surely, 2^1351302745 is an apocalyptic number.

It is an amenable number.

1351302745 is a deficient number, since it is larger than the sum of its proper divisors (394996271).

1351302745 is a wasteful number, since it uses less digits than its factorization.

1351302745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20789291.

The product of its (nonzero) digits is 12600, while the sum is 31.

The square root of 1351302745 is about 36760.0699808910. The cubic root of 1351302745 is about 1105.5648429740.

The spelling of 1351302745 in words is "one billion, three hundred fifty-one million, three hundred two thousand, seven hundred forty-five".