140752836 has 192 divisors, whose sum is σ = 451584000. Its totient is φ = 37013760.

The previous prime is 140752831. The next prime is 140752837. The reversal of 140752836 is 638257041.

140752836 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×140752836² = 39622721684085792, which contains 22 as substring.

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 140752836.

It is not an unprimeable number, because it can be changed into a prime (140752831) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 588805 + ... + 589043.

It is an arithmetic number, because the mean of its divisors is an integer number (2352000).

Almost surely, 2^140752836 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 140752836, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (225792000).

140752836 is an abundant number, since it is smaller than the sum of its proper divisors (310831164).

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

140752836 is a wasteful number, since it uses less digits than its factorization.

140752836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 319 (or 311 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The square root of 140752836 is about 11863.9300402523. The cubic root of 140752836 is about 520.1784840952.

The spelling of 140752836 in words is "one hundred forty million, seven hundred fifty-two thousand, eight hundred thirty-six".