140377166429 has 4 divisors (see below), whose sum is σ = 140959644540. Its totient is φ = 139794688320.

The previous prime is 140377166399. The next prime is 140377166467. The reversal of 140377166429 is 924661773041.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 38839343929 + 101537822500 = 197077^2 + 318650^2 .

It is a cyclic number.

It is not a de Polignac number, because 140377166429 - 2¹⁶ = 140377100893 is a prime.

It is a super-2 number, since 2×140377166429² (a number of 23 digits) 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 (140377166929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 291238694 + ... + 291239175.

It is an arithmetic number, because the mean of its divisors is an integer number (35239911135).

Almost surely, 2^140377166429 is an apocalyptic number.

It is an amenable number.

140377166429 is a deficient number, since it is larger than the sum of its proper divisors (582478111).

140377166429 is an equidigital number, since it uses as much as digits as its factorization.

140377166429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 582478110.

The product of its (nonzero) digits is 1524096, while the sum is 50.

The spelling of 140377166429 in words is "one hundred forty billion, three hundred seventy-seven million, one hundred sixty-six thousand, four hundred twenty-nine".