139452135 has 8 divisors (see below), whose sum is σ = 223123440. Its totient is φ = 74374464.

The previous prime is 139452133. The next prime is 139452211. The reversal of 139452135 is 531254931.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 139452135 - 2¹ = 139452133 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 139452096 and 139452105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139452133) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4648390 + ... + 4648419.

It is an arithmetic number, because the mean of its divisors is an integer number (27890430).

Almost surely, 2^139452135 is an apocalyptic number.

139452135 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

139452135 is a deficient number, since it is larger than the sum of its proper divisors (83671305).

139452135 is an equidigital number, since it uses as much as digits as its factorization.

139452135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9296817.

The product of its digits is 16200, while the sum is 33.

The square root of 139452135 is about 11808.9853501476. The cubic root of 139452135 is about 518.5711947747.

The spelling of 139452135 in words is "one hundred thirty-nine million, four hundred fifty-two thousand, one hundred thirty-five".