140878004 has 12 divisors (see below), whose sum is σ = 248719044. Its totient is φ = 69815424.

The previous prime is 140877977. The next prime is 140878021. The reversal of 140878004 is 400878041.

It can be written as a sum of positive squares in 2 ways, for example, as 62378404 + 78499600 = 7898^2 + 8860^2 .

It is a super-2 number, since 2×140878004² = 39693224022048032, which contains 22 as substring.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 155387 + ... + 156290.

It is an arithmetic number, because the mean of its divisors is an integer number (20726587).

Almost surely, 2^140878004 is an apocalyptic number.

It is an amenable number.

140878004 is a deficient number, since it is larger than the sum of its proper divisors (107841040).

140878004 is a wasteful number, since it uses less digits than its factorization.

140878004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 311794 (or 311792 counting only the distinct ones).

The product of its (nonzero) digits is 7168, while the sum is 32.

The square root of 140878004 is about 11869.2040171193. The cubic root of 140878004 is about 520.3326323448.

The spelling of 140878004 in words is "one hundred forty million, eight hundred seventy-eight thousand, four".