140528142804 has 24 divisors (see below), whose sum is σ = 374741714368. Its totient is φ = 40150897920.

The previous prime is 140528142791. The next prime is 140528142823. The reversal of 140528142804 is 408241825041.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 836476957 + ... + 836477124.

Almost surely, 2^140528142804 is an apocalyptic number.

140528142804 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

140528142804 is an abundant number, since it is smaller than the sum of its proper divisors (234213571564).

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

140528142804 is a wasteful number, since it uses less digits than its factorization.

140528142804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1672954095 (or 1672954093 counting only the distinct ones).

The product of its (nonzero) digits is 81920, while the sum is 39.

Adding to 140528142804 its reverse (408241825041), we get a palindrome (548769967845).

The spelling of 140528142804 in words is "one hundred forty billion, five hundred twenty-eight million, one hundred forty-two thousand, eight hundred four".