1355254141 has 4 divisors (see below), whose sum is σ = 1377471484. Its totient is φ = 1333036800.

The previous prime is 1355254067. The next prime is 1355254171. The reversal of 1355254141 is 1414525531.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 296012025 + 1059242116 = 17205^2 + 32546^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1355254141 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 (1355254171) 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, 11108580 + ... + 11108701.

It is an arithmetic number, because the mean of its divisors is an integer number (344367871).

Almost surely, 2^1355254141 is an apocalyptic number.

It is an amenable number.

1355254141 is a deficient number, since it is larger than the sum of its proper divisors (22217343).

1355254141 is an equidigital number, since it uses as much as digits as its factorization.

1355254141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22217342.

The product of its digits is 12000, while the sum is 31.

The square root of 1355254141 is about 36813.7765109748. The cubic root of 1355254141 is about 1106.6414024551.

Adding to 1355254141 its reverse (1414525531), we get a palindrome (2769779672).

The spelling of 1355254141 in words is "one billion, three hundred fifty-five million, two hundred fifty-four thousand, one hundred forty-one".