1553338141 has 4 divisors (see below), whose sum is σ = 1635092800. Its totient is φ = 1471583484.

The previous prime is 1553338139. The next prime is 1553338207. The reversal of 1553338141 is 1418333551.

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 1553338141 - 2¹ = 1553338139 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1553338097 and 1553338106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1553338441) 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, 40877301 + ... + 40877338.

It is an arithmetic number, because the mean of its divisors is an integer number (408773200).

Almost surely, 2^1553338141 is an apocalyptic number.

It is an amenable number.

1553338141 is a deficient number, since it is larger than the sum of its proper divisors (81754659).

1553338141 is an equidigital number, since it uses as much as digits as its factorization.

1553338141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81754658.

The product of its digits is 21600, while the sum is 34.

The square root of 1553338141 is about 39412.4110021196. The cubic root of 1553338141 is about 1158.1247299085.

The spelling of 1553338141 in words is "one billion, five hundred fifty-three million, three hundred thirty-eight thousand, one hundred forty-one".