140923555 has 16 divisors (see below), whose sum is σ = 172951200. Its totient is φ = 110193408.

The previous prime is 140923547. The next prime is 140923561. The reversal of 140923555 is 555329041.

It is a cyclic number.

It is not a de Polignac number, because 140923555 - 2³ = 140923547 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 140923555.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 82096 + ... + 83794.

It is an arithmetic number, because the mean of its divisors is an integer number (10809450).

Almost surely, 2^140923555 is an apocalyptic number.

140923555 is a deficient number, since it is larger than the sum of its proper divisors (32027645).

140923555 is a wasteful number, since it uses less digits than its factorization.

140923555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2070.

The product of its (nonzero) digits is 27000, while the sum is 34.

The square root of 140923555 is about 11871.1227354450. The cubic root of 140923555 is about 520.3887071447.

It can be divided in two parts, 1409 and 23555, that added together give a square (24964 = 158²).

The spelling of 140923555 in words is "one hundred forty million, nine hundred twenty-three thousand, five hundred fifty-five".