130109450 has 12 divisors (see below), whose sum is σ = 242003670. Its totient is φ = 52043760.

The previous prime is 130109431. The next prime is 130109477. The reversal of 130109450 is 54901031.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 73393489 + 56715961 = 8567^2 + 7531^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1301045 + ... + 1301144.

Almost surely, 2^130109450 is an apocalyptic number.

130109450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

130109450 is a deficient number, since it is larger than the sum of its proper divisors (111894220).

130109450 is a wasteful number, since it uses less digits than its factorization.

130109450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2602201 (or 2602196 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 23.

The square root of 130109450 is about 11406.5529411825. The cubic root of 130109450 is about 506.7218290779.

The spelling of 130109450 in words is "one hundred thirty million, one hundred nine thousand, four hundred fifty".