1405130045 has 32 divisors (see below), whose sum is σ = 1865721600. Its totient is φ = 1015819200.

The previous prime is 1405129987. The next prime is 1405130057. The reversal of 1405130045 is 5400315041.

It is not a de Polignac number, because 1405130045 - 2¹⁸ = 1404867901 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1405130045.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1323815 + ... + 1324875.

It is an arithmetic number, because the mean of its divisors is an integer number (58303800).

Almost surely, 2^1405130045 is an apocalyptic number.

It is an amenable number.

1405130045 is a deficient number, since it is larger than the sum of its proper divisors (460591555).

1405130045 is a wasteful number, since it uses less digits than its factorization.

1405130045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1298 (or 1276 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 1405130045 is about 37485.0642923285. The cubic root of 1405130045 is about 1120.0536871055.

Adding to 1405130045 its reverse (5400315041), we get a palindrome (6805445086).

The spelling of 1405130045 in words is "one billion, four hundred five million, one hundred thirty thousand, forty-five".