1102139136 has 216 divisors, whose sum is σ = 3767697024. Its totient is φ = 314772480.

The previous prime is 1102139119. The next prime is 1102139141. The reversal of 1102139136 is 6319312011.

It is a tau number, because it is divible by the number of its divisors (216).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 434191 + ... + 436721.

Almost surely, 2^1102139136 is an apocalyptic number.

1102139136 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1102139136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1883848512).

1102139136 is an abundant number, since it is smaller than the sum of its proper divisors (2665557888).

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

1102139136 is an frugal number, since it uses more digits than its factorization.

1102139136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2569 (or 2543 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 27.

The square root of 1102139136 is about 33198.4809291028. The cubic root of 1102139136 is about 1032.9488299120.

The spelling of 1102139136 in words is "one billion, one hundred two million, one hundred thirty-nine thousand, one hundred thirty-six".