755139169 has 8 divisors (see below), whose sum is σ = 757653120. Its totient is φ = 752630736.

The previous prime is 755139157. The next prime is 755139181. The reversal of 755139169 is 961931557.

It is an interprime number because it is at equal distance from previous prime (755139157) and next prime (755139181).

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 755139169 - 2¹³ = 755130977 is a prime.

It is a super-2 number, since 2×755139169² = 1140470329116021122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (755139109) 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, 684072 + ... + 685174.

It is an arithmetic number, because the mean of its divisors is an integer number (94706640).

Almost surely, 2^755139169 is an apocalyptic number.

It is an amenable number.

755139169 is a deficient number, since it is larger than the sum of its proper divisors (2513951).

755139169 is a wasteful number, since it uses less digits than its factorization.

755139169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2759.

The product of its digits is 255150, while the sum is 46.

The square root of 755139169 is about 27479.7956506230. The cubic root of 755139169 is about 910.6307943798.

The spelling of 755139169 in words is "seven hundred fifty-five million, one hundred thirty-nine thousand, one hundred sixty-nine".