1023140134 has 4 divisors (see below), whose sum is σ = 1534710204. Its totient is φ = 511570066.

The previous prime is 1023140113. The next prime is 1023140141. The reversal of 1023140134 is 4310413201.

It is a semiprime because it is the product of two primes.

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, 255785032 + ... + 255785035.

It is an arithmetic number, because the mean of its divisors is an integer number (383677551).

Almost surely, 2^1023140134 is an apocalyptic number.

1023140134 is a deficient number, since it is larger than the sum of its proper divisors (511570070).

1023140134 is an equidigital number, since it uses as much as digits as its factorization.

1023140134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 511570069.

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

The square root of 1023140134 is about 31986.5617720942. The cubic root of 1023140134 is about 1007.6546350583.

Adding to 1023140134 its reverse (4310413201), we get a palindrome (5333553335).

The spelling of 1023140134 in words is "one billion, twenty-three million, one hundred forty thousand, one hundred thirty-four".