1655754133 has 4 divisors (see below), whose sum is σ = 1806277248. Its totient is φ = 1505231020.

The previous prime is 1655754119. The next prime is 1655754157. The reversal of 1655754133 is 3314575561.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1655754133 - 2⁹ = 1655753621 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1655754193) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 75261541 + ... + 75261562.

It is an arithmetic number, because the mean of its divisors is an integer number (451569312).

Almost surely, 2^1655754133 is an apocalyptic number.

It is an amenable number.

1655754133 is a deficient number, since it is larger than the sum of its proper divisors (150523115).

1655754133 is a wasteful number, since it uses less digits than its factorization.

1655754133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150523114.

The product of its digits is 189000, while the sum is 40.

The square root of 1655754133 is about 40690.9588606609. The cubic root of 1655754133 is about 1183.0377854424.

The spelling of 1655754133 in words is "one billion, six hundred fifty-five million, seven hundred fifty-four thousand, one hundred thirty-three".