140878500 has 96 divisors (see below), whose sum is σ = 468878592. Its totient is φ = 32198400.

The previous prime is 140878481. The next prime is 140878511. The reversal of 140878500 is 5878041.

It is a happy number.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3792 + ... + 17208.

It is an arithmetic number, because the mean of its divisors is an integer number (4884152).

Almost surely, 2^140878500 is an apocalyptic number.

140878500 is a gapful number since it is divisible by the number (10) 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 140878500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (234439296).

140878500 is an abundant number, since it is smaller than the sum of its proper divisors (328000092).

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

140878500 is a wasteful number, since it uses less digits than its factorization.

140878500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13446 (or 13434 counting only the distinct ones).

The product of its (nonzero) digits is 8960, while the sum is 33.

The square root of 140878500 is about 11869.2249115096. The cubic root of 140878500 is about 520.3332430025. Note that the first 3 decimals are identical.

The spelling of 140878500 in words is "one hundred forty million, eight hundred seventy-eight thousand, five hundred".