1354521105 has 24 divisors (see below), whose sum is σ = 2683242432. Its totient is φ = 619209504.

The previous prime is 1354521101. The next prime is 1354521149. The reversal of 1354521105 is 5011254531.

1354521105 is a `hidden beast` number, since 1 + 3 + 545 + 2 + 110 + 5 = 666.

It is not a de Polignac number, because 1354521105 - 2² = 1354521101 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1354521101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2149719 + ... + 2150348.

It is an arithmetic number, because the mean of its divisors is an integer number (111801768).

Almost surely, 2^1354521105 is an apocalyptic number.

1354521105 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1354521105 is a deficient number, since it is larger than the sum of its proper divisors (1328721327).

1354521105 is a wasteful number, since it uses less digits than its factorization.

1354521105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4300085 (or 4300082 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 27.

The square root of 1354521105 is about 36803.8191632336. The cubic root of 1354521105 is about 1106.4418447330.

Adding to 1354521105 its reverse (5011254531), we get a palindrome (6365775636).

The spelling of 1354521105 in words is "one billion, three hundred fifty-four million, five hundred twenty-one thousand, one hundred five".