140773831 has 16 divisors (see below), whose sum is σ = 162057600. Its totient is φ = 120938400.

The previous prime is 140773817. The next prime is 140773837. The reversal of 140773831 is 138377041.

It is not a de Polignac number, because 140773831 - 2¹⁵ = 140741063 is a prime.

It is a super-2 number, since 2×140773831² = 39634542988833122, 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 (140773837) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 137640 + ... + 138658.

It is an arithmetic number, because the mean of its divisors is an integer number (10128600).

Almost surely, 2^140773831 is an apocalyptic number.

140773831 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

140773831 is a deficient number, since it is larger than the sum of its proper divisors (21283769).

140773831 is a wasteful number, since it uses less digits than its factorization.

140773831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1710.

The product of its (nonzero) digits is 14112, while the sum is 34.

The square root of 140773831 is about 11864.8148320992. The cubic root of 140773831 is about 520.2043464618.

The spelling of 140773831 in words is "one hundred forty million, seven hundred seventy-three thousand, eight hundred thirty-one".