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136816451 is a prime number
BaseRepresentation
bin10000010011110…
…10011101000011
3100112102222212222
420021322131003
5240011111301
621324241255
73250630532
oct1011723503
9315388788
10136816451
1170258252
12399a022b
13224642a5
1414256319
15c02831b
hex827a743

136816451 has 2 divisors, whose sum is σ = 136816452. Its totient is φ = 136816450.

The previous prime is 136816441. The next prime is 136816481. The reversal of 136816451 is 154618631.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-136816451 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (136816441) 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 as a sum of consecutive naturals, namely, 68408225 + 68408226.

It is an arithmetic number, because the mean of its divisors is an integer number (68408226).

Almost surely, 2136816451 is an apocalyptic number.

136816451 is a deficient number, since it is larger than the sum of its proper divisors (1).

136816451 is an equidigital number, since it uses as much as digits as its factorization.

136816451 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17280, while the sum is 35.

The square root of 136816451 is about 11696.8564580403. The cubic root of 136816451 is about 515.2833467638.

The spelling of 136816451 in words is "one hundred thirty-six million, eight hundred sixteen thousand, four hundred fifty-one".