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1355263141 = 19271263209
BaseRepresentation
bin101000011000111…
…1010110010100101
310111110011111112011
41100301322302211
510233421410031
6342251554221
745404355331
oct12061726245
93443144464
101355263141
11636013291
12319a5b971
13187a16b6b
14cbdc87c1
157dea96b1
hex50c7aca5

1355263141 has 8 divisors (see below), whose sum is σ = 1431862400. Its totient is φ = 1279190880.

The previous prime is 1355263087. The next prime is 1355263153. The reversal of 1355263141 is 1413625531.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1355263141 - 213 = 1355254949 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 (1355263181) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 126456 + ... + 136753.

It is an arithmetic number, because the mean of its divisors is an integer number (178982800).

Almost surely, 21355263141 is an apocalyptic number.

It is an amenable number.

1355263141 is a deficient number, since it is larger than the sum of its proper divisors (76599259).

1355263141 is a wasteful number, since it uses less digits than its factorization.

1355263141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 263499.

The product of its digits is 10800, while the sum is 31.

The square root of 1355263141 is about 36813.8987476198. The cubic root of 1355263141 is about 1106.6438521187.

Adding to 1355263141 its reverse (1413625531), we get a palindrome (2768888672).

The spelling of 1355263141 in words is "one billion, three hundred fifty-five million, two hundred sixty-three thousand, one hundred forty-one".