1394548428100 has 81 divisors (see below), whose sum is σ = 3044396420247. Its totient is φ = 554479757760.

The previous prime is 1394548428043. The next prime is 1394548428113. The reversal of 1394548428100 is 18248454931.

The square root of 1394548428100 is 1180910.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 534907927876 + 859640500224 = 731374^2 + 927168^2 .

It is a super-2 number, since 2×1394548428100² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 3176647681 + ... + 3176648119.

Almost surely, 2^{1394548428100} is an apocalyptic number.

1394548428100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1394548428100 is the 1180910-th square number.

It is an amenable number.

1394548428100 is an abundant number, since it is smaller than the sum of its proper divisors (1649847992147).

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

1394548428100 is an frugal number, since it uses more digits than its factorization.

1394548428100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1430 (or 715 counting only the distinct ones).

The product of its (nonzero) digits is 1105920, while the sum is 49.

Multiplying 1394548428100 by its sum of digits (49), we get a square (68332872976900 = 8266370²).

The spelling of 1394548428100 in words is "one trillion, three hundred ninety-four billion, five hundred forty-eight million, four hundred twenty-eight thousand, one hundred".