1361229960 has 32 divisors (see below), whose sum is σ = 4083690240. Its totient is φ = 362994624.

The previous prime is 1361229959. The next prime is 1361229983. The reversal of 1361229960 is 699221631.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5671672 + ... + 5671911.

It is an arithmetic number, because the mean of its divisors is an integer number (127615320).

Almost surely, 2^1361229960 is an apocalyptic number.

1361229960 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1361229960 is an abundant number, since it is smaller than the sum of its proper divisors (2722460280).

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

1361229960 is a wasteful number, since it uses less digits than its factorization.

1361229960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11343597 (or 11343593 counting only the distinct ones).

The product of its (nonzero) digits is 34992, while the sum is 39.

The square root of 1361229960 is about 36894.8500471272. The cubic root of 1361229960 is about 1108.2655486588.

It can be divided in two parts, 136 and 1229960, that added together give a triangular number (1230096 = T₁₅₆₈).

The spelling of 1361229960 in words is "one billion, three hundred sixty-one million, two hundred twenty-nine thousand, nine hundred sixty".