1513145134 has 4 divisors (see below), whose sum is σ = 2269717704. Its totient is φ = 756572566.

The previous prime is 1513145111. The next prime is 1513145141. The reversal of 1513145134 is 4315413151.

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, 378286282 + ... + 378286285.

It is an arithmetic number, because the mean of its divisors is an integer number (567429426).

Almost surely, 2^1513145134 is an apocalyptic number.

1513145134 is a deficient number, since it is larger than the sum of its proper divisors (756572570).

1513145134 is an equidigital number, since it uses as much as digits as its factorization.

1513145134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 756572569.

The product of its digits is 3600, while the sum is 28.

The square root of 1513145134 is about 38899.1662378514. The cubic root of 1513145134 is about 1148.0483934931.

Adding to 1513145134 its reverse (4315413151), we get a palindrome (5828558285).

The spelling of 1513145134 in words is "one billion, five hundred thirteen million, one hundred forty-five thousand, one hundred thirty-four".