1436684138 has 16 divisors (see below), whose sum is σ = 2162833056. Its totient is φ = 715745520.

The previous prime is 1436684113. The next prime is 1436684141. The reversal of 1436684138 is 8314866341.

It is a super-2 number, since 2×1436684138² = 4128122624761606088, which contains 22 as substring.

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, 1215908 + ... + 1217088.

It is an arithmetic number, because the mean of its divisors is an integer number (135177066).

Almost surely, 2^1436684138 is an apocalyptic number.

1436684138 is a deficient number, since it is larger than the sum of its proper divisors (726148918).

1436684138 is a wasteful number, since it uses less digits than its factorization.

1436684138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2869.

The product of its digits is 331776, while the sum is 44.

The square root of 1436684138 is about 37903.6164237662. The cubic root of 1436684138 is about 1128.3758058428.

The spelling of 1436684138 in words is "one billion, four hundred thirty-six million, six hundred eighty-four thousand, one hundred thirty-eight".