140069088 has 72 divisors (see below), whose sum is σ = 413097048. Its totient is φ = 46687104.

The previous prime is 140069077. The next prime is 140069117. The reversal of 140069088 is 880960041.

It is a happy number.

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 congruent number.

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, 1231 + ... + 16782.

It is an arithmetic number, because the mean of its divisors is an integer number (5737459).

Almost surely, 2^140069088 is an apocalyptic number.

140069088 is a gapful number since it is divisible by the number (18) 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 140069088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (206548524).

140069088 is an abundant number, since it is smaller than the sum of its proper divisors (273027960).

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

140069088 is an equidigital number, since it uses as much as digits as its factorization.

140069088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18038 (or 18018 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 36.

The square root of 140069088 is about 11835.0787069626. The cubic root of 140069088 is about 519.3348101941.

The spelling of 140069088 in words is "one hundred forty million, sixty-nine thousand, eighty-eight".