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130140437 = 741453451
BaseRepresentation
bin1111100000111…
…00100100010101
3100001212211010012
413300130210111
5231303443222
620525210005
73140114120
oct760344425
9301784105
10130140437
1167508489
1237700905
1320c6769b
14133d93b7
15b65a1e2
hex7c1c915

130140437 has 8 divisors (see below), whose sum is σ = 152359872. Its totient is φ = 108828000.

The previous prime is 130140421. The next prime is 130140469. The reversal of 130140437 is 734041031.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 130140437 - 24 = 130140421 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130140497) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 226439 + ... + 227012.

It is an arithmetic number, because the mean of its divisors is an integer number (19044984).

Almost surely, 2130140437 is an apocalyptic number.

It is an amenable number.

130140437 is a deficient number, since it is larger than the sum of its proper divisors (22219435).

130140437 is an equidigital number, since it uses as much as digits as its factorization.

130140437 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 453499.

The product of its (nonzero) digits is 1008, while the sum is 23.

The square root of 130140437 is about 11407.9111584900. The cubic root of 130140437 is about 506.7620530150.

Adding to 130140437 its reverse (734041031), we get a palindrome (864181468).

The spelling of 130140437 in words is "one hundred thirty million, one hundred forty thousand, four hundred thirty-seven".

Divisors: 1 7 41 287 453451 3174157 18591491 130140437