89138135040 has 152 divisors (see below), whose sum is σ = 285254070960. Its totient is φ = 23769120768.

The previous prime is 89138135011. The next prime is 89138135059. The reversal of 89138135040 is 4053183198.

It is a junction number, because it is equal to n+sod(n) for n = 89138134983 and 89138135001.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3920826 + ... + 3943494.

Almost surely, 2^89138135040 is an apocalyptic number.

89138135040 is a gapful number since it is divisible by the number (80) 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 89138135040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (142627035480).

89138135040 is an abundant number, since it is smaller than the sum of its proper divisors (196115935920).

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

89138135040 is an frugal number, since it uses more digits than its factorization.

89138135040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22713 (or 22679 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 42.

The spelling of 89138135040 in words is "eighty-nine billion, one hundred thirty-eight million, one hundred thirty-five thousand, forty".