140851629 has 10 divisors (see below), whose sum is σ = 210408110. Its totient is φ = 93901032.

The previous prime is 140851597. The next prime is 140851639. The reversal of 140851629 is 926158041.

140851629 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 132296004 + 8555625 = 11502^2 + 2925^2 .

It is not a de Polignac number, because 140851629 - 2⁵ = 140851597 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 140851593 and 140851602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140851639) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 869374 + ... + 869535.

It is an arithmetic number, because the mean of its divisors is an integer number (21040811).

Almost surely, 2^140851629 is an apocalyptic number.

It is an amenable number.

140851629 is a deficient number, since it is larger than the sum of its proper divisors (69556481).

140851629 is an equidigital number, since it uses as much as digits as its factorization.

140851629 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1738921 (or 1738912 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 36.

The square root of 140851629 is about 11868.0928965019. The cubic root of 140851629 is about 520.3001583145.

The spelling of 140851629 in words is "one hundred forty million, eight hundred fifty-one thousand, six hundred twenty-nine".