140034024 has 144 divisors (see below), whose sum is σ = 423341100. Its totient is φ = 41564160.

The previous prime is 140034023. The next prime is 140034029. The reversal of 140034024 is 420430041.

It can be written as a sum of positive squares in 6 ways, for example, as 2722500 + 137311524 = 1650^2 + 11718^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 140033988 and 140034006.

It is not an unprimeable number, because it can be changed into a prime (140034023) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1573372 + ... + 1573460.

Almost surely, 2^140034024 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 140034024, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (211670550).

140034024 is an abundant number, since it is smaller than the sum of its proper divisors (283307076).

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

140034024 is a wasteful number, since it uses less digits than its factorization.

140034024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196 (or 148 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 140034024 is about 11833.5972552728. The cubic root of 140034024 is about 519.2914709254.

Adding to 140034024 its reverse (420430041), we get a palindrome (560464065).

The spelling of 140034024 in words is "one hundred forty million, thirty-four thousand, twenty-four".