1042320400134 has 32 divisors (see below), whose sum is σ = 2317417073664. Its totient is φ = 310368356640.

The previous prime is 1042320400133. The next prime is 1042320400171. The reversal of 1042320400134 is 4310040232401.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1042320400133) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 215531164 + ... + 215535999.

It is an arithmetic number, because the mean of its divisors is an integer number (72419283552).

Almost surely, 2^{1042320400134} is an apocalyptic number.

1042320400134 is an abundant number, since it is smaller than the sum of its proper divisors (1275096673530).

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

1042320400134 is a wasteful number, since it uses less digits than its factorization.

1042320400134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 431067212.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 1042320400134 its reverse (4310040232401), we get a palindrome (5352360632535).

The spelling of 1042320400134 in words is "one trillion, forty-two billion, three hundred twenty million, four hundred thousand, one hundred thirty-four".