130605554 has 4 divisors (see below), whose sum is σ = 195908334. Its totient is φ = 65302776.

The previous prime is 130605547. The next prime is 130605571. The reversal of 130605554 is 455506031.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 455506031 = 307 ⋅1483733.

It can be written as a sum of positive squares in only one way, i.e., 84732025 + 45873529 = 9205^2 + 6773^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32651387 + ... + 32651390.

Almost surely, 2^130605554 is an apocalyptic number.

130605554 is a deficient number, since it is larger than the sum of its proper divisors (65302780).

130605554 is an equidigital number, since it uses as much as digits as its factorization.

130605554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65302779.

The product of its (nonzero) digits is 9000, while the sum is 29.

The square root of 130605554 is about 11428.2786980367. The cubic root of 130605554 is about 507.3650513574.

The spelling of 130605554 in words is "one hundred thirty million, six hundred five thousand, five hundred fifty-four".