1369545156 has 144 divisors (see below), whose sum is σ = 4299509760. Its totient is φ = 358706880.

The previous prime is 1369545139. The next prime is 1369545257. The reversal of 1369545156 is 6515459631.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 143815 + ... + 153041.

Almost surely, 2^1369545156 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1369545156, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2149754880).

1369545156 is an abundant number, since it is smaller than the sum of its proper divisors (2929964604).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1369545156 is a wasteful number, since it uses less digits than its factorization.

1369545156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9294 (or 9289 counting only the distinct ones).

The product of its digits is 486000, while the sum is 45.

The square root of 1369545156 is about 37007.3662397096. The cubic root of 1369545156 is about 1110.5176159043.

The spelling of 1369545156 in words is "one billion, three hundred sixty-nine million, five hundred forty-five thousand, one hundred fifty-six".