130503154 has 4 divisors (see below), whose sum is σ = 195754734. Its totient is φ = 65251576.

The previous prime is 130503143. The next prime is 130503157. The reversal of 130503154 is 451305031.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 130484929 + 18225 = 11423^2 + 135^2 .

It is not an unprimeable number, because it can be changed into a prime (130503157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32625787 + ... + 32625790.

Almost surely, 2^130503154 is an apocalyptic number.

130503154 is a deficient number, since it is larger than the sum of its proper divisors (65251580).

130503154 is an equidigital number, since it uses as much as digits as its factorization.

130503154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65251579.

The product of its (nonzero) digits is 900, while the sum is 22.

The square root of 130503154 is about 11423.7977047915. The cubic root of 130503154 is about 507.2324184955.

Adding to 130503154 its reverse (451305031), we get a palindrome (581808185).

The spelling of 130503154 in words is "one hundred thirty million, five hundred three thousand, one hundred fifty-four".