1946420743135 has 16 divisors (see below), whose sum is σ = 2558977518240. Its totient is φ = 1409503267840.

The previous prime is 1946420743121. The next prime is 1946420743151. The reversal of 1946420743135 is 5313470246491.

It is a happy number.

It is not a de Polignac number, because 1946420743135 - 2²³ = 1946412354527 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 75930250 + ... + 75955879.

It is an arithmetic number, because the mean of its divisors is an integer number (159936094890).

Almost surely, 2^{1946420743135} is an apocalyptic number.

1946420743135 is a deficient number, since it is larger than the sum of its proper divisors (612556775105).

1946420743135 is a wasteful number, since it uses less digits than its factorization.

1946420743135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151886378.

The product of its (nonzero) digits is 2177280, while the sum is 49.

The spelling of 1946420743135 in words is "one trillion, nine hundred forty-six billion, four hundred twenty million, seven hundred forty-three thousand, one hundred thirty-five".