140802144 has 96 divisors (see below), whose sum is σ = 425005056. Its totient is φ = 39982080.

The previous prime is 140802107. The next prime is 140802149. The reversal of 140802144 is 441208041.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140802149) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 127804 + ... + 128900.

It is an arithmetic number, because the mean of its divisors is an integer number (4427136).

Almost surely, 2^140802144 is an apocalyptic number.

140802144 is a gapful number since it is divisible by the number (14) 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 140802144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (212502528).

140802144 is an abundant number, since it is smaller than the sum of its proper divisors (284202912).

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

140802144 is a wasteful number, since it uses less digits than its factorization.

140802144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1308 (or 1300 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 24.

The square root of 140802144 is about 11866.0079217907. The cubic root of 140802144 is about 520.2392193219.

The spelling of 140802144 in words is "one hundred forty million, eight hundred two thousand, one hundred forty-four".