1366144534 has 16 divisors (see below), whose sum is σ = 2056762368. Its totient is φ = 680562792.

The previous prime is 1366144523. The next prime is 1366144543. The reversal of 1366144534 is 4354416631.

It is a junction number, because it is equal to n+sod(n) for n = 1366144493 and 1366144502.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 943399 + ... + 944845.

It is an arithmetic number, because the mean of its divisors is an integer number (128547648).

Almost surely, 2^1366144534 is an apocalyptic number.

1366144534 is a deficient number, since it is larger than the sum of its proper divisors (690617834).

1366144534 is a wasteful number, since it uses less digits than its factorization.

1366144534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2859.

The product of its digits is 103680, while the sum is 37.

The square root of 1366144534 is about 36961.3924791802. The cubic root of 1366144534 is about 1109.5977044970.

The spelling of 1366144534 in words is "one billion, three hundred sixty-six million, one hundred forty-four thousand, five hundred thirty-four".