1301730156 has 96 divisors (see below), whose sum is σ = 3482136000. Its totient is φ = 420272640.

The previous prime is 1301730139. The next prime is 1301730161. The reversal of 1301730156 is 6510371031.

1301730156 is a `hidden beast` number, since 1 + 301 + 7 + 301 + 56 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 658786 + ... + 660758.

It is an arithmetic number, because the mean of its divisors is an integer number (36272250).

Almost surely, 2^1301730156 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 1301730156, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1741068000).

1301730156 is an abundant number, since it is smaller than the sum of its proper divisors (2180405844).

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

1301730156 is a wasteful number, since it uses less digits than its factorization.

1301730156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2176 (or 2168 counting only the distinct ones).

The product of its (nonzero) digits is 1890, while the sum is 27.

The square root of 1301730156 is about 36079.4977237766. The cubic root of 1301730156 is about 1091.8768427705.

The spelling of 1301730156 in words is "one billion, three hundred one million, seven hundred thirty thousand, one hundred fifty-six".