1339347312 has 400 divisors, whose sum is σ = 4433501952. Its totient is φ = 388177920.

The previous prime is 1339347283. The next prime is 1339347319. The reversal of 1339347312 is 2137439331.

It is a happy number.

1339347312 is a `hidden beast` number, since 1 + 339 + 3 + 4 + 7 + 312 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1339347319) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 25270678 + ... + 25270730.

Almost surely, 2^1339347312 is an apocalyptic number.

1339347312 is a gapful number since it is divisible by the number (12) 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 1339347312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2216750976).

1339347312 is an abundant number, since it is smaller than the sum of its proper divisors (3094154640).

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

1339347312 is a wasteful number, since it uses less digits than its factorization.

1339347312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158 (or 143 counting only the distinct ones).

The product of its digits is 40824, while the sum is 36.

The square root of 1339347312 is about 36597.0943108876. The cubic root of 1339347312 is about 1102.2947445188.

It can be divided in two parts, 133934 and 7312, that added together give a triangular number (141246 = T₅₃₁).

The spelling of 1339347312 in words is "one billion, three hundred thirty-nine million, three hundred forty-seven thousand, three hundred twelve".