1341958128 has 80 divisors (see below), whose sum is σ = 3987363840. Its totient is φ = 380959488.

The previous prime is 1341958117. The next prime is 1341958183. The reversal of 1341958128 is 8218591431.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a self number, because there is not a number n which added to its sum of digits gives 1341958128.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40033 + ... + 65471.

It is an arithmetic number, because the mean of its divisors is an integer number (49842048).

Almost surely, 2^1341958128 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 1341958128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1993681920).

1341958128 is an abundant number, since it is smaller than the sum of its proper divisors (2645405712).

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

1341958128 is a wasteful number, since it uses less digits than its factorization.

1341958128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25614 (or 25608 counting only the distinct ones).

The product of its digits is 69120, while the sum is 42.

The square root of 1341958128 is about 36632.7466619690. The cubic root of 1341958128 is about 1103.0105212202.

The spelling of 1341958128 in words is "one billion, three hundred forty-one million, nine hundred fifty-eight thousand, one hundred twenty-eight".