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131400134 = 2318923813
BaseRepresentation
bin1111101010100…
…00000111000110
3100011020211002122
413311100013012
5232114301014
621012205542
73153611525
oct765200706
9304224078
10131400134
1168198958
12380098b2
13212b8b78
14136464bc
15b80858e
hex7d501c6

131400134 has 16 divisors (see below), whose sum is σ = 205752960. Its totient is φ = 62863680.

The previous prime is 131400119. The next prime is 131400167. The reversal of 131400134 is 431004131.

It is a congruent number.

It is an unprimeable number.

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, 6389 + ... + 17424.

It is an arithmetic number, because the mean of its divisors is an integer number (12859560).

Almost surely, 2131400134 is an apocalyptic number.

131400134 is a deficient number, since it is larger than the sum of its proper divisors (74352826).

131400134 is a wasteful number, since it uses less digits than its factorization.

131400134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23935.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 131400134 is about 11462.9897496247. The cubic root of 131400134 is about 508.3918768252.

Adding to 131400134 its reverse (431004131), we get a palindrome (562404265).

The spelling of 131400134 in words is "one hundred thirty-one million, four hundred thousand, one hundred thirty-four".

Divisors: 1 2 31 62 89 178 2759 5518 23813 47626 738203 1476406 2119357 4238714 65700067 131400134