1354891428 has 96 divisors (see below), whose sum is σ = 3853799040. Its totient is φ = 408240000.

The previous prime is 1354891409. The next prime is 1354891451. The reversal of 1354891428 is 8241984531.

1354891428 is a `hidden beast` number, since 13 + 548 + 91 + 4 + 2 + 8 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 211878 + ... + 218178.

It is an arithmetic number, because the mean of its divisors is an integer number (40143740).

Almost surely, 2^1354891428 is an apocalyptic number.

1354891428 is a gapful number since it is divisible by the number (18) 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 1354891428, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1926899520).

1354891428 is an abundant number, since it is smaller than the sum of its proper divisors (2498907612).

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

1354891428 is a wasteful number, since it uses less digits than its factorization.

1354891428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6506 (or 6498 counting only the distinct ones).

The product of its digits is 276480, while the sum is 45.

The square root of 1354891428 is about 36808.8498597824. The cubic root of 1354891428 is about 1106.5426684427.

It can be divided in two parts, 13548 and 91428, that added together give a 4-th power (104976 = 18⁴).

The spelling of 1354891428 in words is "one billion, three hundred fifty-four million, eight hundred ninety-one thousand, four hundred twenty-eight".