131445002 has 16 divisors (see below), whose sum is σ = 223510560. Its totient is φ = 57473712.

The previous prime is 131444987. The next prime is 131445011. The reversal of 131445002 is 200544131.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 132548 + ... + 133535.

It is an arithmetic number, because the mean of its divisors is an integer number (13969410).

Almost surely, 2^131445002 is an apocalyptic number.

131445002 is a deficient number, since it is larger than the sum of its proper divisors (92065558).

131445002 is a wasteful number, since it uses less digits than its factorization.

131445002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266117.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 131445002 is about 11464.9466636352. The cubic root of 131445002 is about 508.4497355458.

Adding to 131445002 its reverse (200544131), we get a palindrome (331989133).

The spelling of 131445002 in words is "one hundred thirty-one million, four hundred forty-five thousand, two".