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130421359 = 337387007
BaseRepresentation
bin1111100011000…
…01001001101111
3100002102002110201
413301201021233
5231341440414
620535214331
73142364125
oct761411157
9302362421
10130421359
116768a552
12378173a7
1321035503
141346d915
15b6b3574
hex7c6126f

130421359 has 4 divisors (see below), whose sum is σ = 130808704. Its totient is φ = 130034016.

The previous prime is 130421351. The next prime is 130421383. The reversal of 130421359 is 953124031.

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

It is a cyclic number.

It is not a de Polignac number, because 130421359 - 23 = 130421351 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130421351) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 193167 + ... + 193840.

It is an arithmetic number, because the mean of its divisors is an integer number (32702176).

Almost surely, 2130421359 is an apocalyptic number.

130421359 is a deficient number, since it is larger than the sum of its proper divisors (387345).

130421359 is an equidigital number, since it uses as much as digits as its factorization.

130421359 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 387344.

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 130421359 is about 11420.2171170254. The cubic root of 130421359 is about 507.1264242585.

The spelling of 130421359 in words is "one hundred thirty million, four hundred twenty-one thousand, three hundred fifty-nine".

Divisors: 1 337 387007 130421359