139469395 has 8 divisors (see below), whose sum is σ = 180237456. Its totient is φ = 102992736.

The previous prime is 139469389. The next prime is 139469399. The reversal of 139469395 is 593964931.

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

It is a cyclic number.

It is not a de Polignac number, because 139469395 - 2²¹ = 137372243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (139469399) 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, 1072777 + ... + 1072906.

It is an arithmetic number, because the mean of its divisors is an integer number (22529682).

Almost surely, 2^139469395 is an apocalyptic number.

139469395 is a deficient number, since it is larger than the sum of its proper divisors (40768061).

139469395 is a wasteful number, since it uses less digits than its factorization.

139469395 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2145701.

The product of its digits is 787320, while the sum is 49.

The square root of 139469395 is about 11809.7161269863. The cubic root of 139469395 is about 518.5925884225.

The spelling of 139469395 in words is "one hundred thirty-nine million, four hundred sixty-nine thousand, three hundred ninety-five".