1020143134 has 4 divisors (see below), whose sum is σ = 1530214704. Its totient is φ = 510071566.

The previous prime is 1020143107. The next prime is 1020143141. The reversal of 1020143134 is 4313410201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4313410201 = 5419 ⋅795979.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 255035782 + ... + 255035785.

It is an arithmetic number, because the mean of its divisors is an integer number (382553676).

Almost surely, 2^1020143134 is an apocalyptic number.

1020143134 is a deficient number, since it is larger than the sum of its proper divisors (510071570).

1020143134 is an equidigital number, since it uses as much as digits as its factorization.

1020143134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 510071569.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 1020143134 is about 31939.6796164270. The cubic root of 1020143134 is about 1006.6697929575.

Adding to 1020143134 its reverse (4313410201), we get a palindrome (5333553335).

It can be divided in two parts, 10201 and 43134, that added together give a palindrome (53335).

The spelling of 1020143134 in words is "one billion, twenty million, one hundred forty-three thousand, one hundred thirty-four".