1042143135240 has 64 divisors (see below), whose sum is σ = 3127280996160. Its totient is φ = 277829139200.

The previous prime is 1042143135233. The next prime is 1042143135247. The reversal of 1042143135240 is 425313412401.

It is an interprime number because it is at equal distance from previous prime (1042143135233) and next prime (1042143135247).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 1042143135198 and 1042143135207.

It is not an unprimeable number, because it can be changed into a prime (1042143135247) 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, 739686 + ... + 1622165.

It is an arithmetic number, because the mean of its divisors is an integer number (48863765565).

Almost surely, 2^{1042143135240} is an apocalyptic number.

1042143135240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1042143135240 is an abundant number, since it is smaller than the sum of its proper divisors (2085137860920).

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

1042143135240 is a wasteful number, since it uses less digits than its factorization.

1042143135240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2365542 (or 2365538 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 30.

Adding to 1042143135240 its reverse (425313412401), we get a palindrome (1467456547641).

The spelling of 1042143135240 in words is "one trillion, forty-two billion, one hundred forty-three million, one hundred thirty-five thousand, two hundred forty".