139860035 has 12 divisors (see below), whose sum is σ = 191904048. Its totient is φ = 95856048.

The previous prime is 139860013. The next prime is 139860041. The reversal of 139860035 is 530068931.

It is not a de Polignac number, because 139860035 - 2¹⁴ = 139843651 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a junction number, because it is equal to n+sod(n) for n = 139859977 and 139860004.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 68966 + ... + 70964.

It is an arithmetic number, because the mean of its divisors is an integer number (15992004).

Almost surely, 2^139860035 is an apocalyptic number.

139860035 is a deficient number, since it is larger than the sum of its proper divisors (52044013).

139860035 is an frugal number, since it uses more digits than its factorization.

139860035 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4010 (or 2011 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 35.

The square root of 139860035 is about 11826.2434864161. The cubic root of 139860035 is about 519.0763126216.

Multiplying 139860035 by its sum of digits (35), we get a square (4895101225 = 69965²).

139860035 divided by its sum of digits (35) gives a square (3996001 = 1999²).

The spelling of 139860035 in words is "one hundred thirty-nine million, eight hundred sixty thousand, thirty-five".