1326134045 has 16 divisors (see below), whose sum is σ = 1702351728. Its totient is φ = 988200960.

The previous prime is 1326134021. The next prime is 1326134059. The reversal of 1326134045 is 5404316231.

It can be written as a sum of positive squares in 8 ways, for example, as 174821284 + 1151312761 = 13222^2 + 33931^2 .

It is not a de Polignac number, because 1326134045 - 2¹⁸ = 1325871901 is a prime.

It is a super-3 number, since 3×1326134045³ (a number of 28 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1326133999 and 1326134017.

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, 72176 + ... + 88665.

It is an arithmetic number, because the mean of its divisors is an integer number (106396983).

Almost surely, 2^1326134045 is an apocalyptic number.

It is an amenable number.

1326134045 is a deficient number, since it is larger than the sum of its proper divisors (376217683).

1326134045 is a wasteful number, since it uses less digits than its factorization.

1326134045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160960.

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 1326134045 is about 36416.1234208146. The cubic root of 1326134045 is about 1098.6578796613.

The spelling of 1326134045 in words is "one billion, three hundred twenty-six million, one hundred thirty-four thousand, forty-five".