1312737045 has 8 divisors (see below), whose sum is σ = 2100379296. Its totient is φ = 700126416.

The previous prime is 1312737011. The next prime is 1312737053. The reversal of 1312737045 is 5407372131.

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

It is not a de Polignac number, because 1312737045 - 2¹³ = 1312728853 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1312736997 and 1312737015.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43757887 + ... + 43757916.

It is an arithmetic number, because the mean of its divisors is an integer number (262547412).

Almost surely, 2^1312737045 is an apocalyptic number.

1312737045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1312737045 is a deficient number, since it is larger than the sum of its proper divisors (787642251).

1312737045 is an equidigital number, since it uses as much as digits as its factorization.

1312737045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87515811.

The product of its (nonzero) digits is 17640, while the sum is 33.

The square root of 1312737045 is about 36231.7132495829. The cubic root of 1312737045 is about 1094.9456948528.

The spelling of 1312737045 in words is "one billion, three hundred twelve million, seven hundred thirty-seven thousand, forty-five".