140800038 has 32 divisors (see below), whose sum is σ = 286868736. Its totient is φ = 46063008.

The previous prime is 140800021. The next prime is 140800039. The reversal of 140800038 is 830008041.

It is a junction number, because it is equal to n+sod(n) for n = 140799990 and 140800017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140800039) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 82320 + ... + 84012.

It is an arithmetic number, because the mean of its divisors is an integer number (8964648).

Almost surely, 2^140800038 is an apocalyptic number.

140800038 is an abundant number, since it is smaller than the sum of its proper divisors (146068698).

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

140800038 is a wasteful number, since it uses less digits than its factorization.

140800038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1948.

The product of its (nonzero) digits is 768, while the sum is 24.

The square root of 140800038 is about 11865.9191805776. The cubic root of 140800038 is about 520.2366255421.

Adding to 140800038 its reverse (830008041), we get a palindrome (970808079).

The spelling of 140800038 in words is "one hundred forty million, eight hundred thousand, thirty-eight".