1347747645 has 16 divisors (see below), whose sum is σ = 2158053120. Its totient is φ = 718246464.

The previous prime is 1347747619. The next prime is 1347747659. The reversal of 1347747645 is 5467477431.

It is not a de Polignac number, because 1347747645 - 2¹³ = 1347739453 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1347747594 and 1347747603.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13950 + ... + 53759.

It is an arithmetic number, because the mean of its divisors is an integer number (134878320).

Almost surely, 2^1347747645 is an apocalyptic number.

1347747645 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1347747645 is a deficient number, since it is larger than the sum of its proper divisors (810305475).

1347747645 is a wasteful number, since it uses less digits than its factorization.

1347747645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69044.

The product of its digits is 1975680, while the sum is 48.

The square root of 1347747645 is about 36711.6826773168. The cubic root of 1347747645 is about 1104.5944595379.

The spelling of 1347747645 in words is "one billion, three hundred forty-seven million, seven hundred forty-seven thousand, six hundred forty-five".