1356154 has 4 divisors (see below), whose sum is σ = 2034234. Its totient is φ = 678076.
The previous prime is 1356151. The next prime is 1356167. The reversal of 1356154 is 4516531.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4516531 = 457 ⋅9883.
It can be written as a sum of positive squares in only one way, i.e., 1177225 + 178929 = 1085^2 + 423^2 .
It is not an unprimeable number, because it can be changed into a prime (1356151) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 339037 + ... + 339040.
21356154 is an apocalyptic number.
1356154 is a deficient number, since it is larger than the sum of its proper divisors (678080).
1356154 is an equidigital number, since it uses as much as digits as its factorization.
1356154 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 678079.
The product of its digits is 1800, while the sum is 25.
The square root of 1356154 is about 1164.5402526319. The cubic root of 1356154 is about 110.6886276799.
The spelling of 1356154 in words is "one million, three hundred fifty-six thousand, one hundred fifty-four".
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