1214001405146 has 4 divisors (see below), whose sum is σ = 1821002107722. Its totient is φ = 607000702572.

The previous prime is 1214001405079. The next prime is 1214001405161. The reversal of 1214001405146 is 6415041004121.

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

It can be written as a sum of positive squares in only one way, i.e., 885659799025 + 328341606121 = 941095^2 + 573011^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 303500351285 + ... + 303500351288.

Almost surely, 2^{1214001405146} is an apocalyptic number.

1214001405146 is a deficient number, since it is larger than the sum of its proper divisors (607000702576).

1214001405146 is an equidigital number, since it uses as much as digits as its factorization.

1214001405146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 607000702575.

The product of its (nonzero) digits is 3840, while the sum is 29.

Adding to 1214001405146 its reverse (6415041004121), we get a palindrome (7629042409267).

The spelling of 1214001405146 in words is "one trillion, two hundred fourteen billion, one million, four hundred five thousand, one hundred forty-six".