1361135652 has 24 divisors (see below), whose sum is σ = 3176777856. Its totient is φ = 453598368.

The previous prime is 1361135621. The next prime is 1361135669. The reversal of 1361135652 is 2565311631.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45973 + ... + 69539.

It is an arithmetic number, because the mean of its divisors is an integer number (132365744).

Almost surely, 2^1361135652 is an apocalyptic number.

1361135652 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1361135652 is an abundant number, since it is smaller than the sum of its proper divisors (1815642204).

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

1361135652 is a wasteful number, since it uses less digits than its factorization.

1361135652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28387 (or 28385 counting only the distinct ones).

The product of its digits is 16200, while the sum is 33.

The square root of 1361135652 is about 36893.5719604378. The cubic root of 1361135652 is about 1108.2399539823.

The spelling of 1361135652 in words is "one billion, three hundred sixty-one million, one hundred thirty-five thousand, six hundred fifty-two".