1373061536 has 108 divisors (see below), whose sum is σ = 3456890514. Its totient is φ = 534885120.

The previous prime is 1373061523. The next prime is 1373061541. The reversal of 1373061536 is 6351603731.

It can be written as a sum of positive squares in only one way, i.e., 1086097936 + 286963600 = 32956^2 + 16940^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1373061496 and 1373061505.

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 17 ways as a sum of consecutive naturals, for example, 186110 + ... + 193346.

Almost surely, 2^1373061536 is an apocalyptic number.

1373061536 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1373061536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1728445257).

1373061536 is an abundant number, since it is smaller than the sum of its proper divisors (2083828978).

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

1373061536 is a wasteful number, since it uses less digits than its factorization.

1373061536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7283 (or 7257 counting only the distinct ones).

The product of its (nonzero) digits is 34020, while the sum is 35.

The square root of 1373061536 is about 37054.8449733635. The cubic root of 1373061536 is about 1111.4672413027.

The spelling of 1373061536 in words is "one billion, three hundred seventy-three million, sixty-one thousand, five hundred thirty-six".