1396561101 has 16 divisors (see below), whose sum is σ = 2123279424. Its totient is φ = 808867584.

The previous prime is 1396561097. The next prime is 1396561109. The reversal of 1396561101 is 1011656931.

It is not a de Polignac number, because 1396561101 - 2² = 1396561097 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1396561109) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1052551 + ... + 1053876.

It is an arithmetic number, because the mean of its divisors is an integer number (132704964).

Almost surely, 2^1396561101 is an apocalyptic number.

It is an amenable number.

1396561101 is a deficient number, since it is larger than the sum of its proper divisors (726718323).

1396561101 is a wasteful number, since it uses less digits than its factorization.

1396561101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2106460.

The product of its (nonzero) digits is 4860, while the sum is 33.

The square root of 1396561101 is about 37370.5913921629. The cubic root of 1396561101 is about 1117.7722248182.

The spelling of 1396561101 in words is "one billion, three hundred ninety-six million, five hundred sixty-one thousand, one hundred one".