1385779400142 has 16 divisors (see below), whose sum is σ = 2809525360080. Its totient is φ = 455598706752.

The previous prime is 1385779400101. The next prime is 1385779400147. The reversal of 1385779400142 is 2410049775831.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1385779400147) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1581939517 + ... + 1581940392.

It is an arithmetic number, because the mean of its divisors is an integer number (175595335005).

Almost surely, 2^{1385779400142} is an apocalyptic number.

1385779400142 is an abundant number, since it is smaller than the sum of its proper divisors (1423745959938).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1385779400142 is a wasteful number, since it uses less digits than its factorization.

1385779400142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3163879987.

The product of its (nonzero) digits is 1693440, while the sum is 51.

The spelling of 1385779400142 in words is "one trillion, three hundred eighty-five billion, seven hundred seventy-nine million, four hundred thousand, one hundred forty-two".