1320137334 has 12 divisors (see below), whose sum is σ = 2860297596. Its totient is φ = 440045772.

The previous prime is 1320137323. The next prime is 1320137339. The reversal of 1320137334 is 4337310231.

1320137334 is a `hidden beast` number, since 1 + 320 + 1 + 3 + 7 + 334 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 1320137298 and 1320137307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1320137339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 36670464 + ... + 36670499.

It is an arithmetic number, because the mean of its divisors is an integer number (238358133).

Almost surely, 2^1320137334 is an apocalyptic number.

1320137334 is an abundant number, since it is smaller than the sum of its proper divisors (1540160262).

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

1320137334 is a wasteful number, since it uses less digits than its factorization.

1320137334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73340971 (or 73340968 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 27.

The square root of 1320137334 is about 36333.6941969847. The cubic root of 1320137334 is about 1096.9993521179. Note that the first 3 decimals are identical.

Adding to 1320137334 its reverse (4337310231), we get a palindrome (5657447565).

The spelling of 1320137334 in words is "one billion, three hundred twenty million, one hundred thirty-seven thousand, three hundred thirty-four".