1329026874 has 64 divisors (see below), whose sum is σ = 3097875456. Its totient is φ = 372265344.

The previous prime is 1329026837. The next prime is 1329026879. The reversal of 1329026874 is 4786209231.

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

It is not an unprimeable number, because it can be changed into a prime (1329026879) 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 31 ways as a sum of consecutive naturals, for example, 654649 + ... + 656675.

It is an arithmetic number, because the mean of its divisors is an integer number (48404304).

Almost surely, 2^1329026874 is an apocalyptic number.

1329026874 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1329026874, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1548937728).

1329026874 is an abundant number, since it is smaller than the sum of its proper divisors (1768848582).

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

1329026874 is a wasteful number, since it uses less digits than its factorization.

1329026874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2339.

The product of its (nonzero) digits is 145152, while the sum is 42.

The square root of 1329026874 is about 36455.8208520944. The cubic root of 1329026874 is about 1099.4561702985.

The spelling of 1329026874 in words is "one billion, three hundred twenty-nine million, twenty-six thousand, eight hundred seventy-four".