140631119 has 4 divisors (see below), whose sum is σ = 141036744. Its totient is φ = 140225496.

The previous prime is 140631109. The next prime is 140631143. The reversal of 140631119 is 911136041.

140631119 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 911136041 = 397 ⋅2295053.

It is a cyclic number.

It is not a de Polignac number, because 140631119 - 2⁸ = 140630863 is a prime.

It is a super-2 number, since 2×140631119² = 39554223262384322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140631109) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 202292 + ... + 202985.

It is an arithmetic number, because the mean of its divisors is an integer number (35259186).

Almost surely, 2^140631119 is an apocalyptic number.

140631119 is a deficient number, since it is larger than the sum of its proper divisors (405625).

140631119 is an equidigital number, since it uses as much as digits as its factorization.

140631119 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 405624.

The product of its (nonzero) digits is 648, while the sum is 26.

The square root of 140631119 is about 11858.7992225183. The cubic root of 140631119 is about 520.0284981916.

The spelling of 140631119 in words is "one hundred forty million, six hundred thirty-one thousand, one hundred nineteen".