1351166242 has 8 divisors (see below), whose sum is σ = 2027504556. Its totient is φ = 675331392.

The previous prime is 1351166233. The next prime is 1351166249. The reversal of 1351166242 is 2426611531.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 764024881 + 587141361 = 27641^2 + 24231^2 .

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

It is not an unprimeable number, because it can be changed into a prime (1351166249) 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, 119083 + ... + 129934.

Almost surely, 2^1351166242 is an apocalyptic number.

1351166242 is a deficient number, since it is larger than the sum of its proper divisors (676338314).

1351166242 is a wasteful number, since it uses less digits than its factorization.

1351166242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251732.

The product of its digits is 8640, while the sum is 31.

The square root of 1351166242 is about 36758.2132590799. The cubic root of 1351166242 is about 1105.5276151951.

Adding to 1351166242 its reverse (2426611531), we get a palindrome (3777777773).

The spelling of 1351166242 in words is "one billion, three hundred fifty-one million, one hundred sixty-six thousand, two hundred forty-two".