1513720146 has 32 divisors (see below), whose sum is σ = 3077077248. Its totient is φ = 496322640.

The previous prime is 1513720133. The next prime is 1513720157. The reversal of 1513720146 is 6410273151.

It is a super-2 number, since 2×1513720146² = 4582697360812522632, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 323701 + ... + 328343.

It is an arithmetic number, because the mean of its divisors is an integer number (96158664).

Almost surely, 2^1513720146 is an apocalyptic number.

1513720146 is an abundant number, since it is smaller than the sum of its proper divisors (1563357102).

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

1513720146 is a wasteful number, since it uses less digits than its factorization.

1513720146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5526.

The product of its (nonzero) digits is 5040, while the sum is 30.

The square root of 1513720146 is about 38906.5565939727. The cubic root of 1513720146 is about 1148.1937988005.

Adding to 1513720146 its reverse (6410273151), we get a palindrome (7923993297).

The spelling of 1513720146 in words is "one billion, five hundred thirteen million, seven hundred twenty thousand, one hundred forty-six".