1430700146 has 4 divisors (see below), whose sum is σ = 2146050222. Its totient is φ = 715350072.

The previous prime is 1430700113. The next prime is 1430700149. The reversal of 1430700146 is 6410070341.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6410070341 = 3907 ⋅1640663.

It can be written as a sum of positive squares in only one way, i.e., 1302127225 + 128572921 = 36085^2 + 11339^2 .

It is not an unprimeable number, because it can be changed into a prime (1430700149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 357675035 + ... + 357675038.

Almost surely, 2^1430700146 is an apocalyptic number.

1430700146 is a deficient number, since it is larger than the sum of its proper divisors (715350076).

1430700146 is an equidigital number, since it uses as much as digits as its factorization.

1430700146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 715350075.

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 1430700146 is about 37824.5971029435. The cubic root of 1430700146 is about 1126.8070109631.

Adding to 1430700146 its reverse (6410070341), we get a palindrome (7840770487).

The spelling of 1430700146 in words is "one billion, four hundred thirty million, seven hundred thousand, one hundred forty-six".