140838131 has 8 divisors (see below), whose sum is σ = 167956224. Its totient is φ = 115469640.

The previous prime is 140838121. The next prime is 140838151. The reversal of 140838131 is 131838041.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 140838131 - 2¹⁰ = 140837107 is a prime.

It is a super-2 number, since 2×140838131² = 39670758287146322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 140838094 and 140838103.

It is not an unprimeable number, because it can be changed into a prime (140838101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 437225 + ... + 437546.

It is an arithmetic number, because the mean of its divisors is an integer number (20994528).

Almost surely, 2^140838131 is an apocalyptic number.

140838131 is a deficient number, since it is larger than the sum of its proper divisors (27118093).

140838131 is an equidigital number, since it uses as much as digits as its factorization.

140838131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 874801.

The product of its (nonzero) digits is 2304, while the sum is 29.

The square root of 140838131 is about 11867.5242152692. The cubic root of 140838131 is about 520.2835374302.

The spelling of 140838131 in words is "one hundred forty million, eight hundred thirty-eight thousand, one hundred thirty-one".