1396634945155 has 64 divisors (see below), whose sum is σ = 1859275192320. Its totient is φ = 1003441331200.

The previous prime is 1396634945117. The next prime is 1396634945219. The reversal of 1396634945155 is 5515494366931.

It is not a de Polignac number, because 1396634945155 - 2³³ = 1388045010563 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1396634945093 and 1396634945102.

It is an unprimeable number.

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 63 ways as a sum of consecutive naturals, for example, 42508164 + ... + 42541006.

It is an arithmetic number, because the mean of its divisors is an integer number (29051174880).

Almost surely, 2^{1396634945155} is an apocalyptic number.

1396634945155 is a deficient number, since it is larger than the sum of its proper divisors (462640247165).

1396634945155 is a wasteful number, since it uses less digits than its factorization.

1396634945155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33252.

The product of its digits is 52488000, while the sum is 61.

The spelling of 1396634945155 in words is "one trillion, three hundred ninety-six billion, six hundred thirty-four million, nine hundred forty-five thousand, one hundred fifty-five".