1086623136 has 72 divisors (see below), whose sum is σ = 3271868964. Its totient is φ = 340899840.

The previous prime is 1086623113. The next prime is 1086623143. The reversal of 1086623136 is 6313266801.

1086623136 is a `hidden beast` number, since 10 + 8 + 6 + 623 + 13 + 6 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 819104400 + 267518736 = 28620^2 + 16356^2 .

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 1086623136.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 106075 + ... + 115866.

Almost surely, 2^1086623136 is an apocalyptic number.

1086623136 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1086623136 is an abundant number, since it is smaller than the sum of its proper divisors (2185245828).

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

1086623136 is a wasteful number, since it uses less digits than its factorization.

1086623136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221974 (or 221963 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The square root of 1086623136 is about 32963.9672369695. The cubic root of 1086623136 is about 1028.0785922038.

Adding to 1086623136 its reverse (6313266801), we get a palindrome (7399889937).

The spelling of 1086623136 in words is "one billion, eighty-six million, six hundred twenty-three thousand, one hundred thirty-six".