1520132146 has 32 divisors (see below), whose sum is σ = 2713108608. Its totient is φ = 631614720.

The previous prime is 1520132111. The next prime is 1520132147. The reversal of 1520132146 is 6412310251.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1520132146.

It is not an unprimeable number, because it can be changed into a prime (1520132147) 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, 64600 + ... + 84931.

It is an arithmetic number, because the mean of its divisors is an integer number (84784644).

Almost surely, 2^1520132146 is an apocalyptic number.

1520132146 is a deficient number, since it is larger than the sum of its proper divisors (1192976462).

1520132146 is a wasteful number, since it uses less digits than its factorization.

1520132146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149586.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 1520132146 is about 38988.8720790946. The cubic root of 1520132146 is about 1149.8127347249.

Adding to 1520132146 its reverse (6412310251), we get a palindrome (7932442397).

The spelling of 1520132146 in words is "one billion, five hundred twenty million, one hundred thirty-two thousand, one hundred forty-six".