169140455 has 12 divisors (see below), whose sum is σ = 223098456. Its totient is φ = 123010800.

The previous prime is 169140449. The next prime is 169140469. The reversal of 169140455 is 554041961.

It is not a de Polignac number, because 169140455 - 2¹⁴ = 169124071 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 139181 + ... + 140390.

It is an arithmetic number, because the mean of its divisors is an integer number (18591538).

Almost surely, 2^169140455 is an apocalyptic number.

169140455 is a deficient number, since it is larger than the sum of its proper divisors (53958001).

169140455 is a wasteful number, since it uses less digits than its factorization.

169140455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 279598 (or 279587 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 35.

The square root of 169140455 is about 13005.4009934335. The cubic root of 169140455 is about 553.0306034662.

The spelling of 169140455 in words is "one hundred sixty-nine million, one hundred forty thousand, four hundred fifty-five".