1396090100 has 18 divisors (see below), whose sum is σ = 3029515734. Its totient is φ = 558436000.

The previous prime is 1396090093. The next prime is 1396090117. The reversal of 1396090100 is 10906931.

It can be written as a sum of positive squares in 3 ways, for example, as 240498064 + 1155592036 = 15508^2 + 33994^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6980351 + ... + 6980550.

Almost surely, 2^1396090100 is an apocalyptic number.

1396090100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1396090100 is an abundant number, since it is smaller than the sum of its proper divisors (1633425634).

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

1396090100 is a wasteful number, since it uses less digits than its factorization.

1396090100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13960915 (or 13960908 counting only the distinct ones).

The product of its (nonzero) digits is 1458, while the sum is 29.

The square root of 1396090100 is about 37364.2891006908. The cubic root of 1396090100 is about 1117.6465515885.

The spelling of 1396090100 in words is "one billion, three hundred ninety-six million, ninety thousand, one hundred".